Spouse 1:Barbara MUMAW (b. 25 MAR 1814, PA - d. 14 AUG 1876)
Children:
1. John IRWIN (b. 1 JAN 1835 - d. 27 MAY 1912)
2. Andrew IRWIN (b. 7 AUG 1836, Holmes Co., OH - d. 13 SEP 1921)
3. Levi IRWIN (b. 16 MAR 1839 - d. 21 FEB 1924)
4. Samuel IRWIN (b. 23 SEP 1842 - d. 18 NOV 1915)
5. Mary IRWIN (b. 24 FEB 1847 - d. 11 JAN 1918)
6. George IRWIN (b. 12 JUN 1850 - d. 23 DEC 1912)
7. William Henry IRWIN (b. 11 NOV 1853 - d. 24 MAR 1932)