Seán is a ♂ male name.
Seán is an Irish variant of the name John, a short form of the Greek name Iōannēs / Ἰωάννης, which derived from the Hebrew name Jochanan / יוֹחָנָן.
Seán means “Yahweh is gracious” (from Hebrew “jô/יֹו” = referring to the Hebrew God + “chanan/חָנַן” = to be gracious/to show favor).