Looking for information going further back than Timothy O'Sullivan (or just Sullivan) who was married to Ellen (possible surname: O'Neil). They emirgated to Canada somewhere around the 1840-60's, and their son Daniel Thomas Sullivan was born in Canada in 1853. They moved out of Canada to America (possibly Seattle) in 1854. Daniel Thomas Sullivan was married to Mary McLean, and they had Ellen, Julia, Ursula, Daniel Thomas (II) and Angela as children.
I believe they Timothy & Ellen were from County Cork, but that's all the information I had. Anyone have any links?