Thomas married Julia Cournane on 15 May 1842 in Roman Catholic,Killarney,Kerry,Ireland. Julia (daughter of Denis Cournane and Ellen Cronin) was born about 1760 in Killarney, Co Kerry, Ireland; died in UNKNOWN in Fahaduff, Kerry, Ireland. [Group Sheet] [Family Chart]

1. Thomas William Sullivan was born in 1780 in Cloghereen, Killarney, Kerry, Ireland; died in 1891 in Onondaga, Onondaga, New York, USA.
2. Mary Sullivan was born on 9 Sep 1785 in Killarney, Co Kerry, Ireland; died in Mar 1892 in County Kerry, Ireland.
3. Timothy Sullivan was born on July 1 1787 in Killarney, Co Kerry, Ireland; died on 08 Nov 1820 in Sydney, Cumberland County, New South Wales, Australia.
4. Cornelius Sullivan was born in 1797 in Killarney, Co Kerry, Ireland; died before 1894 in Lancaster, Fairfield, Ohio, United States.
5. Margaret Sullivan was born on 12 Jun 1803 in Killarney, Co Kerry, Ireland; died on 27 Dec 1874 in Hulme, Lancashire, England.
6. Jeremiah Sullivan