"Variant of Connolly"
The name Connelly is commonly a unisex name from the "Irish" origin.
Connelly is an anglicised spelling of the Irish surname Connolly, from Gaelic O Conghalaigh, which means descendant of Conghalach. Conghalach is a personal name recorded in medieval Ireland. Use of such surnames as first names is a modern American pattern, and Connelly appears in United States birth records as a given name only from 1991.
Connolly means "brave, wise".
The pronunciation of Connelly is KAH-nuh-lee.