Robert was born on February 11, 1894 in Cowdenbeath, Scotland the son of Robert and Francis Ann Thomson. The family left the port of Glasgow, Scotland on the 12th of October 1907 arriving in New York on the 21st of October aboard the vessel California. In the 1910 Census, Robert and Ann Thomson can be found in Pittsburgh, Pennsylvania. They have five children listed; Alexander (1886), Robert Jr (1894), Jeanette(1895), Peter(1900), Margaret(1904).
On the 5th day of June, 1917, Robert declared his intention to become a citizen before a judge in Pittsburgh. At the time he was employed as a Yard Manager for a lumberyard called Builders Supply. He was married to Blanche Edythe Kitzer and that had one son, Donald Roy Thomson was born in 1933.
Robert died on February 28, 1940. He was buried on March 2, 1940 in the Allegheny Cemetery in Allegheny County, Pennsylvania in Section 23, grave 324. This is a large cemetery with over 14,000 graves and only 25% of the graves are photographed.
Rest in Peace, Robert.