When Jan or John Conselyea was born about 1680, in Bushwick, Brooklyn, Kings, New York, United States, his father, Pieter Concelye, was -7 and his mother, Sarah Consellie Miller, was -13. He married Jannetje Van Cats on 8 June 1746, in Bushwick, Brooklyn, Kings, New York, United States. They were the parents of at least 2 sons and 1 daughter. He died in February 1750, at the age of 71.
As a boy's name this represents a revival of Middle English Jan, a by‐form of John , or an adoption of the common European form with this spelling. As a girl's name it is a short form of names such as Janet and Janice .