Quick answer
Sullivan is a boy name.
Pronunciation: English /ˈsʌl.ɪ.vən/.
Meaning and history
From an Irish surname, the Anglicized form of Ó Súileabháin, itself from the given name Súileabhán, which was derived from Irish súil "eye" and dubh "dark, black" combined with a diminutive suffix. This name has achieved a moderate level of popularity in France since the 1970s. In the United States it was rare before the 1990s, after which it began climbing steadily. A famous fictional bearer of the surname was James P. Sullivan from the animated movie Monsters, Inc. (2001).
Notes and context
Usage: english, french