John Hancock Sr.
portrait by John Smibert
Born	(1671-03-01)March 1, 1671 Cambridge, Massachusetts, British America
Died	December 6, 1752(1752-12-06) (aged 81) Lexington, Massachusetts, British America
Resting place	Old Burying Ground, Lexington, Massachusetts, United States
Occupation(s)	Clergyman, Soldier, Planter, Politician
Title	Colonel
Spouse	Elizabeth Clark
Children	John Hancock Jr. Thomas Hancock
Relatives	John Hancock (grandson)

Rev. Col. John Hancock Sr. (March 1, 1671^[1] – December 6, 1752^[2]) was a colonial American clergyman, soldier, planter, politician, and paternal grandfather of American politician John Hancock.^[3]

Hancock graduated from Harvard College in 1689 and was ordained that year. He taught at the Grammar School at Cambridge, Massachusetts starting in 1691. In 1692 he was engaged as the preacher at Medford, Massachusetts, where he lived and served until November 1693.^[4] He was invited to preach at Lexington, Massachusetts in 1697, and remained the pastor there for 55 years, until his death in 1752.^[5]
His sons:

• Col. John Hancock Jr. (1702–1744), was also a minister and was father of the politician John Hancock.
• Thomas Hancock (1703–1764) was a merchant in Boston who built the Hancock–Clarke House for his father.

He is buried at the Old Burying Ground in Lexington, Massachusetts.