Lady Catherine St. Lawrence (died 1879) (1804–1879) Parents William St. Lawrence, 2nd Earl of Howth Margaret Burke Children Richard Boyle, 9th Earl of Cork Louisa Boyle Lady Mary Emily Boyle William George Boyle Edmund John Boyle Siblings Thomas St Lawrence, 3rd Earl of Howth Lady Harriet St. Lawrence Lady Matilda St. Lawrence Lady Isabella St. Lawrence Mary St. Lawrence Partners Charles Boyle, Viscount Dungarvan