Definition of mclean:
(n) :
(countable) A surname.
(n) :
A Scottish surname from Scottish Gaelic, an anglicization of Mac Gille Eòin (“son of the servant of John”).
(n) :
A surname from Irish, an anglicization of Mac Giolla Eoin (“son of the servant of John”).
(n) :
A surname from Irish [in turn originating as a patronymic], an alternate anglicization of Mac Aileáin (“son of Allen”) (McKillen).
(n) :
A surname from Irish [in turn originating as a patronymic], a rare anglicization of Mac an Leagha (“son of the physician”) (McKinley).
(n) :
A placename