| [Year] | [Date] | [Age] | [Event] | |||
| ? | Partnered with Margaret X | |||||
| ~ | 1843 | - birth of daughter Mary L Collis (b. 1843) in United States [1] | ||||
| 1851 | Feb 15 | - birth of child Harriett Caroline Collis (1851-1927) in Ellicottville, Cattaraugus County, New York State, United States [2, 3] | ||||
Last updated 12 Oct 2025 by Andrew Billyard
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