Montague \m(o)-nta-gue, mon-tague\ as a boy's name is of French origin, and the meaning of Montague is "pointed hill". Place name. More common as a given name in the 19th century.
Montague has 3 variant forms: Montagew, Montagu and Monty.
For more information, see also the related name Monte.
A baby name that sounds like Montague is Montgomery.