John married Celia Elizabeth Bullard on 26 Jan 1879 in Jefferson County, Tennessee, USA. Celia (daughter of Ephraim Ira Bullard and Mary Anne Joiner) was born on 23 Feb 1858 in Atlanta, Fulton, Georgia, USA; died on 27 Jul 1939 in Prospect, Clay County, Texas, USA; was buried in Prospect, Clay County, Texas, USA. [Group Sheet] [Family Chart]

1. Louisa Sabra Blalack was born on 25 Sep 1880 in Prospect, Clay County, Texas, USA; died on 22 Sep 1964 in FT Worth, Tarrant Co, TX; was buried in 1964 in Prospect, Clay, Texas, United States of America.
2. Maude Belle Blalack was born on 13 Nov 1882 in Prospect, Clay County, Texas, USA; died on 21 Sep 1968 in Wchita Falls, Wichita Co, TX; was buried on 24 Sep 1968 in Dallas, Dallas, Texas, USA.
3. Jessie Lee Blalack was born on 3 Mar 1886 in Prospect, Clay County, Texas, USA; died on 18 Apr 1966 in Henrietta, Clay, Texas, USA; was buried in Prospect, Clay County, Texas, USA.
4. James Brinkley Blalack was born on 15 Aug 1888 in Prospect, Clay County, Texas, USA; died on 3 Apr 1933 in Clay Co, TX.
5. Floy Earnest Blalack was born on 23 Mar 1891 in Prospect, Clay County, Texas, USA; died on 29 Jul 1899 in Prospect, Clay County, Texas, USA.
6. Ephraim Ira Blalack was born on 20 Nov 1893 in Prospect, Clay, Texas, United States; died on 14 Dec 1978 in Denton, Denton, Texas, United States.
7. Marcella Agnes Blalack was born on 7 Jan 1896 in Prospect, Clay, Texas, USA; died on 5 Oct 1977 in Amarillo, Potter, TX; was buried in Amarillo, Randall County, Texas, United States of America.