John married Eliza Devenney on 20 Feb 1898 in St. Patrick's Church,Murlog, Lifford, Co. Donegal. Eliza (daughter of Daniel Devenney and Margaret Gallagher) was born on 17 Dec 1875 in Hollands, Ballindrait, Co. Donegal; died on 2 Jan 1907 in Mullanaveagh, Co. Donegal. [Group Sheet] [Family Chart]
Children:
2. Edward Robert Slevin was born on 27 Sep 1898 in Eden Terrace, Strabane, Co. Tyrone.
3. Daniel Slevin was born on 12 Apr 1900 in Railway View, Strabane, Co. Tyrone.
4. Elizabeth Slevin was born on 17 Nov 1901 in Greenbrae, Strabane, Co. Tyrone.
5. Jane Slevin was born on 13 Jan 1904 in Ravenshall, Glasgow.
6. John Slevin was born on 6 Jan 1906 in Ravenshall, Glasgow.