The name Siobhan is of Irish origin and means "God Is Gracious." The origin is the culture in which the name originated, or in the case of a word--the language in which it most appears.
form of Joan. Pronounced "Shih-VON" or "Shih-WAN."
Siobhan is on 950 BN name lists Siobhan is currently not ranked on the BN charts Siobhan is currently #912 in U.S. births
Siobhan 
