Hours
Locations and Directions
O'Leary Library
61 Wilder Street, Lowell, MA 01854
Get Directions
Lydon Library
84 University Avenue, Lowell, MA 01854
Get Directions
Center for Lowell History
Patrick J. Mogan Cultural Center
40 French Street, Lowell, MA 01852
Get Directions
Make an appointment at CLH: archives@uml.edu
Email a Librarian: ask@uml.libanswers.com
Call the Library: (978) 934-4550
Library Hours
| Jul 07 Monday | Jul 08 Tuesday | Jul 09 Wednesday | Jul 10 Thursday | Jul 11 Friday | Jul 12 Saturday | Jul 13 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Jul 14 Monday | Jul 15 Tuesday | Jul 16 Wednesday | Jul 17 Thursday | Jul 18 Friday | Jul 19 Saturday | Jul 20 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | 10:00am - 3:00pm, by appointment | Closed |
| Jul 21 Monday | Jul 22 Tuesday | Jul 23 Wednesday | Jul 24 Thursday | Jul 25 Friday | Jul 26 Saturday | Jul 27 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Jul 28 Monday | Jul 29 Tuesday | Jul 30 Wednesday | Jul 31 Thursday | Aug 01 Friday | Aug 02 Saturday | Aug 03 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Aug 04 Monday | Aug 05 Tuesday | Aug 06 Wednesday | Aug 07 Thursday | Aug 08 Friday | Aug 09 Saturday | Aug 10 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Aug 11 Monday | Aug 12 Tuesday | Aug 13 Wednesday | Aug 14 Thursday | Aug 15 Friday | Aug 16 Saturday | Aug 17 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 7pm | 8am – 5pm | 8am – 7pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | 10:00am - 3:00pm, by appointment | Closed |
| Aug 18 Monday | Aug 19 Tuesday | Aug 20 Wednesday | Aug 21 Thursday | Aug 22 Friday | Aug 23 Saturday | Aug 24 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Aug 25 Monday | Aug 26 Tuesday | Aug 27 Wednesday | Aug 28 Thursday | Aug 29 Friday | Aug 30 Saturday | Aug 31 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Lydon Library | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | 8am – 5pm | Closed | Closed |
| Center for Lowell History | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | 9:30am - 5:00pm, by appointment | Closed | Closed | Closed |
| Sep 01 Monday | Sep 02 Tuesday | Sep 03 Wednesday | Sep 04 Thursday | Sep 05 Friday | Sep 06 Saturday | Sep 07 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | Closed Labor Day | 8am – 5pm | – | – | – | – | – |
| Lydon Library | Closed Labor Day | 8am – 5pm | – | – | – | – | – |
| Center for Lowell History | Closed Labor Day | 9:30am - 5:00pm, by appointment | – | – | – | – | – |
| Sep 08 Monday | Sep 09 Tuesday | Sep 10 Wednesday | Sep 11 Thursday | Sep 12 Friday | Sep 13 Saturday | Sep 14 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Sep 15 Monday | Sep 16 Tuesday | Sep 17 Wednesday | Sep 18 Thursday | Sep 19 Friday | Sep 20 Saturday | Sep 21 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Sep 22 Monday | Sep 23 Tuesday | Sep 24 Wednesday | Sep 25 Thursday | Sep 26 Friday | Sep 27 Saturday | Sep 28 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Sep 29 Monday | Sep 30 Tuesday | Oct 01 Wednesday | Oct 02 Thursday | Oct 03 Friday | Oct 04 Saturday | Oct 05 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Oct 06 Monday | Oct 07 Tuesday | Oct 08 Wednesday | Oct 09 Thursday | Oct 10 Friday | Oct 11 Saturday | Oct 12 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Oct 13 Monday | Oct 14 Tuesday | Oct 15 Wednesday | Oct 16 Thursday | Oct 17 Friday | Oct 18 Saturday | Oct 19 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Oct 20 Monday | Oct 21 Tuesday | Oct 22 Wednesday | Oct 23 Thursday | Oct 24 Friday | Oct 25 Saturday | Oct 26 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Oct 27 Monday | Oct 28 Tuesday | Oct 29 Wednesday | Oct 30 Thursday | Oct 31 Friday | Nov 01 Saturday | Nov 02 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Nov 03 Monday | Nov 04 Tuesday | Nov 05 Wednesday | Nov 06 Thursday | Nov 07 Friday | Nov 08 Saturday | Nov 09 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Nov 10 Monday | Nov 11 Tuesday | Nov 12 Wednesday | Nov 13 Thursday | Nov 14 Friday | Nov 15 Saturday | Nov 16 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| Nov 17 Monday | Nov 18 Tuesday | Nov 19 Wednesday | Nov 20 Thursday | Nov 21 Friday | Nov 22 Saturday | Nov 23 Sunday | |
|---|---|---|---|---|---|---|---|
| O'Leary Library | – | – | – | – | – | – | – |
| Lydon Library | – | – | – | – | – | – | – |
| Center for Lowell History | – | – | – | – | – | – | – |
| July 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 | 2 | 3 | 4 | 5 | 6 | |
7 | 8 | 9 | 10 | 11 | 12 | 13 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
14 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 15 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 16 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 17 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 18 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 19 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History 10:00am - 3:00pm, by appointment | 20 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
21 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 22 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 23 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 24 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 25 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 26 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 27 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
28 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 29 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 30 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 31 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | |||
| August 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 2 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 3 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | ||||
4 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 5 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 6 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 7 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 8 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 9 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 10 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
11 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 12 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 13 O'Leary Library 8am – 7pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 14 O'Leary Library 8am – 5pmLydon Library 8am – 7pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 15 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 16 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History 10:00am - 3:00pm, by appointment | 17 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
18 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 19 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 20 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 21 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 22 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 23 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 24 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
25 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 26 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 27 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 28 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 29 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History Closed | 30 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed | 31 O'Leary Library ClosedLydon Library ClosedCenter for Lowell History Closed |
| September 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 O'Leary Library Closed Labor DayLydon Library Closed Labor DayCenter for Lowell History Closed Labor Day | 2 O'Leary Library 8am – 5pmLydon Library 8am – 5pmCenter for Lowell History 9:30am - 5:00pm, by appointment | 3 | 4 | 5 | 6 | 7 |
8 | 9 | 10 | 11 | 12 | 13 | 14 |
15 | 16 | 17 | 18 | 19 | 20 | 21 |
22 | 23 | 24 | 25 | 26 | 27 | 28 |
29 | 30 | |||||
| October 2025 | ||||||
|---|---|---|---|---|---|---|
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
1 | 2 | 3 | 4 | 5 | ||
6 | 7 | 8 | 9 | 10 | 11 | 12 |
13 | 14 | 15 | 16 | 17 | 18 | 19 |
20 | 21 | 22 | 23 | 24 | 25 | 26 |
27 | 28 | 29 | 30 | 31 | ||