Gillmour \gi-ll-mour\ as a boy's name is a variant of Gilmore (Irish, Gaelic), and the meaning of Gillmour is "servant of the Virgin Mary".

The baby name Gillmour sounds like Gilmour and Gillmore. Other similar baby names are Aillmer, Fillmore, Gillman, Gilmer, Gillroy, Willmer and Willmar.