Duncan Thomas O'Brien Sr. 1
- Born: 28 Mar 1895, New York City, New York, USA
- Marriage (1): Margaret Ruth Dougherty on 23 Oct 1923 in Manhattan, New York City, New York, USA
- Died: 13 Sep 1938, New York City, New York, USA at age 43
- Buried: Old Saint Raymond's Cemetery, Bronx, Bronx County, New York, USA
Duncan married Margaret Ruth Dougherty, daughter of John Webster Dougherty and Caroline Marie "Cassie" McNiff, on 23 Oct 1923 in Manhattan, New York City, New York, USA. (Margaret Ruth Dougherty was born on 13 Sep 1896 in Steelton, Dauphin County, Pennsylvania, USA, died on 30 Jun 1961 in New York City, New York County, New York, USA 2 and was buried in North Hempstead, Bronx County, New York, USA 2.)
|