Thomas married Louisa Greer on 31 Mar 1869 in Bloom Township, Morgan, Ohio, United States. Louisa (daughter of George Greer and Phebe Coleman) was born on 10 Sep 1848 in Bloom, Morgan, Ohio, United States; died on 5 Oct 1917 in Eagle, Ada, Idaho; was buried on 9 Oct 1917 in Dry Creek Cem, Ada, Idaho. [Group Sheet] [Family Chart]

1. John H. MC Grath was born on 16 Dec 1869 in Bristol Township, Morgan, Ohio; died on 4 Feb 1966 in Meridian, Ada, Idaho; was buried in Star Cem, Star, Ada, Idaho.
2. Sarah Frances Grath, MC was born on 17 Nov 1871 in Meigs Township, Muskingum, Ohio, United States; died on 27 Jan 1930 in Quimby, Cherokee, Iowa, United States; was buried in Quimby, Cherokee, Iowa, United States.
3. Charles Benton McGrath was born on 20 Jan 1874 in Meigs Township, Muskingum, Ohio, United States; died on 24 Apr 1934 in Eagle, Ada, Idaho, United States; was buried on 29 Apr 1934 in Boise, Ada, Idaho, United States.
4. Albert Oscar McGrath was born in 1877 in Ohio, United States; and died.
5. Ella Ollie McGrath was born on 4 Jun 1879 in Meigs Township, Muskingum, Ohio, United States; died on 13 Mar 1959 in Boise, Ada, Idaho, United States; was buried on 17 Mar 1959 in Boise, Ada, Idaho, United States.
6. George Lemuel McGrath was born on 5 Feb 1882 in Woodruff, Phillips, Kansas, United States; died on 30 Oct 1938 in Eagle, Ada, Idaho, United States; was buried on 2 Nov 1938 in Boise, Ada, Idaho, United States.
7. Flora Anna McGrath was born on 21 May 1885 in Woodruff, Phillips, Kansas; died on 9 Jun 1941 in Boise, Ada, Idaho, United States; was buried on 11 Jun 1941 in Boise, Ada, Idaho, United States.
8. Ida MC Grath was born in 1887 in Woodruff, Phillips, Kansas; died in 1887 in Woodruff, Phillips, Kansas.
9. Ralph MC Grath was born on 15 Jul 1889 in Woodruff, Phillips, Kansas; died in 1946 in Eagle, Ada, Idaho; was buried on 6 Feb 1946 in Boise, Ada, Idaho.
10. Lizzie Elsie McGrath was born on 8 Jan 1894 in Eagle, Ada, Idaho, United States; and died.