Thomas married Margaret Howe Connell on 2 Sep 1872 in Derby Township, Grey County, Ontario, Canada. Margaret (daughter of Thomas Connell and Esther Morgan) was born on 12 Jun 1844 in Peterborough, Ontario, Canada; died on 1 Mar 1920 in Oxenden, Ontario, Canada. [Group Sheet] [Family Chart]

1. Herbert Baldwin was born on 1 Jan 1874 in Keppel Township, Ontario, Canada; died on 2 Dec 1921 in Sault Ste. Marie, Ontario, Canada; was buried in Greenwood Cemetery, Sault Ste. Marie, Ontario, Canada.
2. Evaline Von Baldwin was born on 14 Jan 1876 in Keppel Township, Ontario, Canada; died on 7 May 1938 in New Castle, Pennsylvania, USA.
3. Chester Augustus Baldwin was born on 3 Apr 1878 in Wiarton, Ontario, Canada; died in Jan 1968 in Pittsburgh, Pennsylvania, USA.
4. Edith Minnie Baldwin was born on 10 Nov 1880 in Keppel Township, Ontario, Canada; died on 5 Jun 1952 in New Castle, Pennsylvania, USA.
5. Austin Torrance Baldwin was born on 26 Aug 1882 in Keppel Township, Ontario, Canada; died on 11 Sep 1953 in Owen Sound, Ontario, Canada; was buried in Greenwood Cemetery, Owen Sound, Ontario, Canada.
6. Hester Cecelia Baldwin was born on 29 Sep 1884 in Keppel Township, Ontario, Canada; died on 10 Apr 1950 in Pittsburgh, Pennsylvania, USA.
7. Howard Cedric Baldwin was born on 24 Jan 1887 in Keppel Township, Ontario, Canada; died on 7 May 1962 in Pittsburgh, Pennsylvania, USA.