Searching For Sullivan Relatives In Ireland

I am searching for ancestors as well as living relatives in Ireland on my mother's side of the family. Her maiden name was Sullivan and her father was Tiiiman Columbus Sullivan, son of Franklin Monroe Sullivan and Mary Ellen Chatham.

Tillman Columbus Sullivan was born in Winona, Mississipp, USAi on January 12, 1887, and died in Philipp, Mississippi, USA. date unknown.

Franklin Monroe Sullivan, (Tillman Columbus Sullivan's father), was born on 12 Mar 1856 • Mississippi, USA, and died 4 APR 1920 • Mississippi, USA.

Franklin was married to Marry Ellen Chatham, born December 25, 1852 in Montgomery County, Mississippi, USA, and died on October 21, 1918 in WInona, Montgomery County, Mississippi, USA.

Their children were: Tillman Columbus Sullivan, Gayden Sullivan, and Clarence T. Sullivan.

Mary Ellen Chatham's father was Gran W. Chatham, born in or about the year 1828 in the state of Tennessee, USA.

Mary Ellen Chatham's mother was Martha Chatham, (maiden name unknown, in or about the year 1825 in the sate of Alabama, USA.

Their children were: Tillman Chatham, Mary Ellen Chatham, George O. Chatham, and Albert F. Chatham.

I have not been able to find any relatives beyond those listed above, but I remember my mother saying that one of our Sullivan ancestors came directly from Ireland.

If anyone has any information tieing the above listed family members to a direct decendent from Ireland, please contact me.

Thank you.

James