Public holidays
1931, USA, Massachusetts
| # | Date | Public holiday |
|---|---|---|
| 1 | Thursday, 1 January 1931 | New Year's Day |
| 2 | Sunday, 22 February 1931 | Washington's Birthday |
| 3 | Monday, 20 April 1931 | Patriots' Day |
| 4 | Saturday, 30 May 1931 | Memorial Day |
| Friday, 3 July 1931 | Independence Day (observance) | |
| 5 | Saturday, 4 July 1931 | Independence Day |
| 6 | Monday, 7 September 1931 | Labor Day |
| 7 | Thursday, 26 November 1931 | Thanksgiving |
| 8 | Friday, 25 December 1931 | Christmas |