| 1. Charles J. Brennan, b. 22 Dec 1873, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown
| | 2. Thomas Warner Brennan, b. 15 May 1875, Youngstown, Mahoning, Ohio, United States d. 19 Feb 1939, Youngstown, Mahoning, Ohio, United States (Age 63 years) | | 3. William Brennan, b. Aug 1877, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | | 4. Agnes Brennan, b. Oct 1879, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | | 5. Columbus Brennan, b. Dec 1881, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | | 6. Augustine David Brennan, b. May 1884, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | | 7. Leo Francis Brennan, b. 6 Apr 1886, Youngstown, Mahoning, Ohio, United States d. 1961 (Age 74 years)
| | 8. Katherine Brennan, b. Jul 1888 d. Yes, date unknown | | 9. Michael Brennan, b. May 1891, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | | 10. Frederick Brennan, b. Jun 1895, Youngstown, Mahoning, Ohio, United States d. Yes, date unknown | |