William Freethy was baptized on 22 Aug 1612 in St. Michael, Landrake, Cornwall, co. Kent, England. He emigrated in 1635 from England, on board the "Speedwell". He took the oath of fidelity to the Massachusetts government on 16 Nov 1652 in Kittery, York Co., Province of Maine, Massachusetts. He died after 28 Oct 1684. He was a fisherman/ferryman. He was also known as William Freathy. He was also known as William Freythey. He was married to Elizabeth Barker about 13 Jan 1639 in St. Andrews, Plymouth, co. Devon, England.

Elizabeth Barker was born in England. She died after 4 Dec 1683. Children were:

i. Elizabeth Freethy.
ii. James Freethy died before 14 Oct 1690.
iii. Samuel Freethy.
iv. John Freethy.
v. Richard Freethy was baptized on 28 Jul 1641.