Samuel first married Elizabeth. Elizabeth died bet 1652 and 1660.

10 Jan 1660/1 Samuel second married Martha Billington (3193) , daughter of Francis Billington (1301) (ca 1606-3 Dec 1684) & Christian Penn (ca 1606-), in Plymouth, MA. Born ca 1638 in Plymouth, MA.268 Martha died in Plainfield, CT aft 9 Jun 1704.138

Samuel Eaton and Martha Billington were step-siblings; Martha’s mother Christian Penn’s third husaband was Samuel’s father.