United States, Census, 1910 (Mary A Morrill household, Manhattan Ward 19, New York, New York), online at https://www.familysearch.org/ark:/61903/1:1:M599-SRF (accessed 2026-07-16), 1910 census, Manhattan Ward 19. Bertha B Merrill: Daughter-in-law. Sex Female, Age 30, Birth Year (Estimated) 1880, Birthplace New York.
New York, New York City Marriage Records, 1829-1938 (Henry Morrill x Bertha Sherry, 06 Jan 1900, Manhattan), online at https://www.familysearch.org/ark:/61903/1:1:24S8-R89 (accessed 2026-07-16), NYC Marriage Records, 06 Jan 1900. Bertha Sherry, Wife, Age 19 years, Birth Year (Estimated) 1881, Birthplace New York, Marital Status Single. Marriage 06 January 1900, Manhattan. See also United States, Census, 1910 (Mary A Morrill household, Manhattan Ward 19, New York, New York), online at https://www.familysearch.org/ark:/61903/1:1:M599-SRF (accessed 2026-07-16), 1910 census, Manhattan Ward 19. Bertha B Merrill: Relationship to Head of Household: Daughter-in-law. Sex Female, Age 30, Birth Year (Estimated) 1880, Birthplace New York.
Elsie Rosalie Morrill Post – Find a Grave Memorial 277985949, online at (accessed 2026-07-16), Memorial 277985949. Elsie Rosalie Morrill Post. BIRTH 11 Oct 1900, Santa Fe Springs, Los Angeles County, California, USA. See also United States, Census, 1910 (Mary A Morrill household, Manhattan Ward 19, New York, New York), online at https://www.familysearch.org/ark:/61903/1:1:M599-SRF (accessed 2026-07-16), 1910 census, Manhattan Ward 19. Elsie R Merrill: Granddaughter. Sex Female, Age 9, Birth Year (Estimated) 1901, Birthplace California. See also United States, Social Security Death Index (Elsie Rosalie Morrill Post, Mar 1974), online at (accessed 2026-07-16), SSDI entry. Elsie Rosalie Morrill Post: b. 11 Oct 1900, d. Mar 1974.