| Name of Deceased | Henn, Mary |
| Additional Names | Elizabeth May |
| Date of Death | 6 December 1917 |
| Gender | Female |
| Age | 15 months |
| Address | 49 Duffus Street, Halifax, Nova Scotia |
| Religion | St. Mark's - Anglican |
| Identified by | William P. Henn (father) |
| Buried | St. John's Cemetery, Halifax |
| Family | Father William P. Henn, HMCS Niobe; mother Dorothy Henn, 22; died |
| Obituary | Halifax Herald - 22 April 1918 |
| Sources | - City Directory 1918 - GANS list - HRC: Claims 5200/808 - HRC: List - Cemeteries: St John's |
Mary Henn was registered in the Halifax Explosion Death Registration Book 1917
no. 420 on page 69 below:
Nova Scotia Archives — https://archives.novascotia.ca/remembrance/list/?ID=
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