Meaning & Origin:
Gahan is a surname of Irish origin, derived from the Gaelic “Mac Eacháin,” meaning “son of Eachán.” Eachán is a diminutive of “Eachaidh,” which means “horseman.”

History & Notable People:
Gahan is a name tied to Irish heritage and nobility. Notable individuals include Dave Gahan, the lead singer of the band Depeche Mode.