William Henry Killeen (1857-1904) was a son of Denis Benjamin Killeen and Ellen O'Brien, and a grandson of Denis Killeen and Mary Ahearn. In November 1885, he married Lucy Armstrong (1863-1956), a daughter of James Armstrong and Bridget Kelly, and a granddaughter of Joseph Armstrong and Catherine Smith. Lucy Armstrong was the first cousin of … Continue reading William Killeen and Lucy Armstrong