From an English occupational surname meaning — surprise! — “archer.” As in, someone who shoots arrows. But when it comes to toilets, sadly, your little Archer will likely have no aim at all.
Famous people named Archer:
Chemist and Nobel Prize winner Archer Martin; historian/philanthropist Archer Huntington; painter Archer Oliver; actor/producer Archer King.
Archer Hale is the main character in Mia Sheridan’s Archer’s Voice.