Sealey \se(a)-ley\ as a boy's name is a variant of Seeley (Old French), and the meaning of Sealey is "blessed".

The baby name Sealey sounds like Seal, Seely and Sulley. Other similar baby names are Kealey, Baley, Beale, Beasley, Caley, Daley, Haley, Kaley, Keeley, Kealy, Kelley, Lesley, Neale, Paley, Peale, Salem, Searle, Selby, Selbey, Shelley, Sorley and Wesley.