Son of Archibald McFadyen, Mount Pleasant Street, Greenock.
Dugald McFadyen
- Born In: Greenock
- Died: 26th May, 1918
- Rank: Second Engineer
- Regiment: Mercantile Marine
- Unit: S.S. Princess Royal (Glasgow)
- Cemetery: Tower Hill Memorial, London, England
- Memorials: Gaelic Church of Scotland St Columba’s/United Free