The name sean is of irish origin and is derived from the irish name seán which itself is a form of the name john. the name john has its roots in the hebrew name yochanan, meaning. An irish form of john, sean means god is gracious. The name sean is derived from the gaelic name seán, which means god is gracious. it's believed that the name sean originated in. Sean justin penn was born on august 17, 1960, in santa monica, california, [4] to actor and director leo penn and actress eileen ryan (née annucci). [4][5] his older brother is musician.

Sean, also spelled seán or séan in hiberno-english, [1][2] is a male given name of irish origin.