| Name | Mary J Cook | |
| Sex | Female | |
| Birth | About 1857, Chazy, Clinton, New York, USA | |
| Parents | George Cook (C16) x Betsy Welch [Family] | |
Mary J Cook, 5th child of George Cook (C16) and Betsy Welch [Family], was born about 1857 in Chazy, Clinton, New York, USA. No children listed. |