Louisa O'Callaghan
Unknown - 1863
Generation: 1
1. Louisa O'Callaghan was born in Unknown; died in 1863. Louisa married William Cavendish on 18 Jul 1807. William (son of George Augustus Henry Cavendish, 1st. Earl of Burlington and Lady Elizabeth Compton) was born on 10 Jan 1783; died on 15 Jan 1812. [Group Sheet]
Children:- William Cavendish, 7th. Duke of Devonshire. KG. PC. was born on 27 Apr 1808; died on 21 Dec 1891 in Ulverston District, Lancashire, England.