From Wiktionary, the free dictionary
From Middle Irish gilla.
guilley m (genitive singular [please provide], plural guillyn)
- boy, lad
Guilley veen!- My dear boy!
- (young male) servant, caddie, page, usher
Ren eh guilley jeem.- He made a tool of me.
Note: Certain mutated forms of some words can never occur in standard Manx.
All possible mutated forms are displayed for convenience.