The surname Fagan is of Irish origin and derives from the Gaelic word “Ó Faodhagáin,” meaning “descendant of Faodhagán.” It was commonly found in the County Meath region of Ireland and spread throughout the country over time. Today, it is a relatively uncommon surname, with notable individuals including Irish footballer Ronnie Fagan and American singer-songwriter Suzzy Roche, who was born Susan Elizabeth Fagan. The Fagan family motto, “Deus Meus Adiutor” translates to “God is my helper.”