Mary Cullick Olcott was born circa 1635 in Connecticut, United States to John Cullick (1620-1662) and Joan Phipps (1611-) and died 3 May 1721 Windsor, Hartford County, Connecticut, United States of unspecified causes. She married Thomas Olcott (1637-) 1655 in Hartford, Hartford County, Connecticut, United States.
|Offspring of Thomas Olcott III and Mary Cullick (1635-1721)|
|Abigail Olcott (1658-1688)|
|Thomas Olcott (1671-1756)||1671 Wethersfield, Hartford County, Connecticut, United States||1756||Sarah Foote (1672-1756)|
|John Olcott (1674-1685)|
|Timothy Olcott (1677-1754)|