Mary Celcilia Clarke was born 7 September 1847 in Pocomoke City, Worcester County, Maryland, United States to William James Swan Clarke (1823-1893) and Amanda Cordelia Clarvoe (1821-1856) and died 23 May 1917 Pocomoke City, Worcester County, Maryland, United States of unspecified causes. He married William White Quinn (1838-1908) 1859 .
Children
| Name | Birth | Death | Joined with |
| Lorie Clarke Quinn (1864-1953) | 16 August 1864 Pocomoke City, Worcester County, Maryland, United States | 15 July 1953 Crisfield, Somerset County, Maryland, United States | Rebecca Stubbins (1861-1885) Katie Melvin (1868-1950) |
| William Samuel Quinn (1883-1946) | 26 November 1883 Pocomoke City, Worcester County, Maryland, United States | 1946 Maryland, United States | Alice Sterling Wilson (1881-1970) |
| Nancy Quinn (1886-1981) | |||
Siblings
| Name | Birth | Death | Joined with |
| Mary Celcilia Clarke (1847-1917) | 7 September 1847 Pocomoke City, Worcester County, Maryland, United States | 23 May 1917 Pocomoke City, Worcester County, Maryland, United States | William White Quinn (1838-1908) |
Residences
Footnotes (including sources)
| ‡ General |