1851 Holidays and Events in Northern Ireland
| Additional Information | Date | Name |
|---|---|---|
| 1/1/1851, Wed | New Year's Day | |
| 4/13/1851, Sun | Palm Sunday | |
| 4/18/1851, Fri | Good Friday | |
| 4/19/1851, Sat | Holy Saturday | |
| 4/20/1851, Sun | Easter | |
| 4/21/1851, Mon | Easter Monday | |
| 5/5/1851, Mon | Early May Bank Holiday | |
| 5/26/1851, Mon | Spring Bank Holiday | |
| 6/14/1851, Sat | Queen's Birthday | |
| 7/12/1851, Sat | Orangeman's Day & Parade | |
| 7/14/1851, Mon | Orangeman's Day & Parade: Additional Observance Day | |
| 8/25/1851, Mon | Summer Bank Holiday | |
| 10/31/1851, Fri | Halloween | |
| 12/24/1851, Wed | Christmas Eve | |
| 12/25/1851, Thu | Christmas Day | |
| 12/26/1851, Fri | Boxing Day | |
| 12/31/1851, Wed | New Year's Eve |