Sullivan
- Web ring for family news, links, events and resources.
- http://sullivanhome.com/

Sullivan/Howell Family
- Richard Sullivan's family tree including name index and guestbook.
- http://www.tribalpages.com/tribe/browse?userid=rockim

Sullivan O'Sullivan Family
- Genealogy and history of the Irish-American Sullivan or O'Sullivan family of Cleveland Ohio. Compiled by John J. C. and Edward G. Sullivan.
- http://www.edwardgsullivan.com

Sullivan Burgess Family Tree
- Researching the Laughlin, Davy, Glendenning, Thomson, Sullivan, Burgess and Farrer ancestral lines. Compiled by Sandi Sullivan.
- http://www.sandisullivan.com/

Sullivan Family Tree
- Descendants of Thomas Sullivan from County Waterford and Mary Sheehan from County Limerick, IRL; married in 1880. Includes the associated lineages of Coyston and Moore.
- http://www.hils.fsnet.co.uk/