The meaning of the name Siobhan is God Is Gracious. The origin of the name Siobhan is Irish. This is the culture in which the name originated, or in the case of a word, the language.
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 
