Jeffrey is a common English given name, and a variant form of the name Geoffrey (itself from a Middle French variant of Godfrey, Gottfried). [1]

Jeffrey, a masculine name of English origin, originates from Germanic roots and signifies the ‘pledge of peace.’ It is a medieval variant of the name Geoffrey, which itself is derived from the Germanic term meaning ‘God’s peace.’

Jeffrey Epstein (1953–2019) was an American financier and convicted sex offender who, through his finance career, developed a wide social circle that included the rich and powerful. He was jailed on charges of sex trafficking at the time of his suicide.

Jeffrey Epstein | Death, Island, Sex Crimes, Files, & Facts - Britannica

Medieval variant of Geoffrey. In America, Jeffrey has been more common than Geoffrey, though this is not true in Britain.

Jeffrey is a boy's name of German, English origin meaning "pledge of peace". Jeffrey is the 552 ranked male name by popularity.

Jeffrey Dean Morgan endeared himself to audiences with his recurring role on ABC's smash hit series Grey's Anatomy (2005). His dramatic arc as heart patient Denny Duquette, who wins the heart of intern Izzie Stevens (Katherine Heigl) in a star-crossed romance, made him a universal fan favorite.