Background
He was born the son of Edward Kingsmill, of Belfast, and his wife Catherine.
He was born the son of Edward Kingsmill, of Belfast, and his wife Catherine.
He was the nephew of Robert Brice Kingsmill, who rose to be an admiral in the Royal Navy. He succeeded to the Kingsmill baronetcy on his uncle"s death without issue on 23 November 1805, and settling at the family seat in Sydmonton he became an important local landowner, serving as High Sheriff of Hampshire in 1811. He moved his seat to Aston, Gloucestershire, and died in London on 4 May 1823.
He died without issue and the baronetcy became extinct.
His only surviving daughter, Elizabeth, married Sir John Kingsmill in 1824.