A tee-name is a form of nickname traditionally used in the north-east of Scotland to disambiguate people with the same name or in the same family, in the same way as the agnomen (or in early periods the cognomen) was used in Roman naming conventions.
Is tee a boy name?
Tee - Boy's name meaning, origin, and popularity | BabyCenter.
Where does the name tee come from?
Last name: Tee
This interesting name, with variant spellings Tey, Tye, Tea, etc, is of English topographical origin from residence by an extensive common pasture, (Old English "teag", Medieval English "tye", a common pasture), or from residence near a river of piece of land surrounded by streams.