Birth Name: Julian Dana William McMahon
Place of Birth: Sydney, New South Wales, Australia
Date of Birth: 27 July, 1968
Ethnicity: Irish, English
Julian McMahon is an Australian actor and model. He is the son of Sonia McMahon (born Sonia Rachel Hopkins), a philanthropist and socialite, and William McMahon, who served as Prime Minister of Australia, from 10 March, 1971 to 5 December, 1972, among other positions in Australian politics.
Julian is married to Kelly Paniagua. He has a daughter with his former wife, American model, actress, and television personality Brooke Burns.
Julian’s paternal grandfather was William Daniel McMahon (the son of James McMahon and Mary Coyle). William was born in Redfern, New South Wales, Australia. James was born in County Clare, Ireland, the son of John McMahon and Ellen Byrnes. Mary was born in County Fermanagh, Northern Ireland, the daughter of Thomas Coyle and Margaret.
Julian’s paternal grandmother was Mary Ellen Amelia/Ann Walder (the daughter of Samuel Walder and Mary Ann Hatton). Julian’s grandmother Mary Ellen was born in Sydney, Redfern, New South Wales, Australia, and was the sister of Samuel Walder (Samuel Robert Walder), who was Lord Mayor of Sydney, in 1932. Julian’s great-grandfather Samuel was born in Sydney, to English parents, William Robert Walder and Jane Bevan Spitty. Julian’s great-grandmother Mary Ann was the daughter of Thomas Hatton, who was English, and of Catherine Burns, who was Irish.
Julian’s maternal grandfather was William Edward Hopkins (the son of William Marcellus Cunningham Hopkins and Caroline Wood). Caroline was the daughter of English parents, William Wood and Sarah Ann England, who were from Yorkshire.
Julian’s maternal grandmother was Rachel May Matchett (the daughter of William George Matchett and Sarah Mary Eliza Lilla Dent). William Matchett was a wealthy grazier, the son of John George Matchett and Honora Looney, who were from Limerick, Ireland. Sarah was the daughter of John Irwin Dent, who was from Westmorland, England, and of Rachel Crain, who was Irish.
Sources: Genealogy of Julian McMahon – https://www.geni.com
Genealogy of Julian’s father – https://www.wikitree.com