William married Martha Jane Woodhouse on 23 Aug 1894 in Drumcree Parish Church, Drumcree Parish, Co. Armagh, NI. Martha was born about 1875; died on 22 Nov 1900 in Cloncore, Tartaraghan Parish, Co. Armagh, NI. [Group Sheet] [Family Chart]

1. Robert James Castles was born about 1894.
2. John George Castles was born on 10 Sep 1895 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
3. Mary Elizabeth Florence Castles was born on 10 Oct 1896 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
4. Ida Maude Castles was born on 9 Jan 1898 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.

William married Agnes Taggart about 1903. Agnes (daughter of George Taggart and Elizabeth Jane Irwin) was born on 12 Jan 1880 in Ballyoglagh, Billy Parish, Co. Antrim, NI; was christened on 18 Aug 1880 in Toberkeigh Presbyterian Church, Ballintoy Parish, Co. Antrim, NI; died about 1960. [Group Sheet] [Family Chart]

1. Maggie Castles was born on 17 Sep 1905 in Cloncore, Tartaraghan Parish, Co. Armagh, NI; died about 1969.
2. William Alexander Castles was born on 27 Feb 1907 in Cloncore, Tartaraghan Parish, Co. Armagh, NI; died about 1980.
3. Rebecca Jane Castles was born on 24 Jul 1909 in Cloncore, Tartaraghan Parish, Co. Armagh, NI; died about 1976.
4. Samuel Richard Castles was born on 12 Aug 1911 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
5. Thomas Henry Castles was born on 16 Aug 1913 in Cloncore, Tartaraghan Parish, Co. Armagh, NI; died on 2 Apr 1915 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
6. Anna Maria Castles was born on 28 Aug 1915 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
7. David Castles was born on 20 Mar 1918 in Cloncore, Tartaraghan Parish, Co. Armagh, NI.
8. Joseph Henry Castles was born on 8 May 1920 in Cloncore, Tartaraghan Parish, Co. Armagh, NI; died about 1936.
9. James Castles was born about 1926.
10. Frederick Castles was born about 1928; died about 1988 in CA.