Keegan is a surname of Irish origin and derives from Mac Aodhagáin meaning "son (or descendant) of Aodhagán" (a diminutive of the Irish nameAodh). In the late 20th and early 21st centuries Keegan is more commonly being used as a first name. It is listed most often as a boy's name, but has gradually become unisex. Aodhagáin is another form of the name Aodh, meaning "fire". Many sources list the name meaning as small and fiery.
This page or section lists people with the surnameKeegan. If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link.