| Birth | Henrietta Hammill was born on 11 November 1832. |
| Death | She died on 5 February 1851 at age 18. |
| Burial | She was buried on 8 February 1851 at St. John's Anglican Cemetery, Ancaster, Wentworth County. |
| Note | The transcription of Henrietta's gravestone dates her death to February 5, 1851. Her age is given as 18 years, 2 months and 25 days. Her date of death is calculated on this. She is buried next to her parents and the inscription on her stone states that she is their daughter.
St. John's Anglican burial records show her date of burial as 8 February, 1851. |