Posted on: Clark Co. Wi Queries Forum Reply Here: http://genconnect.rootsweb.com/gc/USA/Wi/Clark/10457 Surname: McIlhattan ------------------------- Our family is quite well researched in a book OUR LINE - A CELTIC SCOTS-IRISH LINEAGE.....NARRATIVE, BY Kenton McElhattan and available from the Clarion County,PA Historical Society. It refers back to origins in Ireland. Get it. You'll love it.