Livingstone Thompson b.1810 in Dublin and died on the 19th September 1874 living at Kilquade House, Newtown, Mont Kennedy, Co. Wicklow, he had married Florida Norman and his brother was John Graves Livingstone Thompson, who changed his name to Livingstone on the 12th May 1863 and died in Bristol on the 17th May 1902.
Any information about their parents would be helpful, their grandparents were John Thompson and Mary Ann Graves, who later married Alexander Irwin.