The youngest and last surviving son of
William Farrar, who had married the widowed
Cecily (a/k/a Cisley) Jordan. His father had emigrated from England and became a lawyer, planter and member of the Virginia Governor's Council, but died in 1637 when both his sons were boys. John may have been named to honor his grandfather (died 1628), or his great-uncle
John Ferrar (1588–1657) who was the deputy governor and treasurer of the
Virginia Company of London. He had a brother (William Farrar Jr.) and sister (Cicely Jr.) who survived infancy. He may have had elder half-sisters who were his mother's children by previous husbands; ==Career==