John Bradley was born 28 July 1578 in Kildwick, Yorkshire, England, United Kingdom to William Bradley (-) and Margaret Unknown (-) and died 1 June 1642 Dorchester, Suffolk County, Massachusetts, United States of unspecified causes. He married Katherine Bexwicke (1574-1643) .
Children
| Name | Birth | Death | Joined with |
| Susan Bradley (1610-) | |||
| John Bradley (1614-c.1600) | 15 June 1614 Ashton-upon-Lunel, Lancashire, England, United Kingdom | 1660 Dorchester, Suffolk County, Massachusetts, United States | Katherine Bostocke (1610-1663) |
| Sara Bradley (1621-) | |||
| Elizabeth Bradley (1617-1697) | |||
Siblings