Post-governorship
After his tenure in the Massachusetts State House was concluded, Guild unsuccessfully ran for Republican nomination for Vice-President. In 1910 President William Howard Taft appointed Guild as a special ambassador to the Mexican independence centennial. Taft then appointed him to be a Special Ambassador to Russia, a position he held from 1911 until 1913.
Guild died on April 6, 1915. He is interred at Forest Hills Cemetery, Jamaica Plain (Boston), Massachusetts.
Read more about this topic: Curtis Guild, Jr., Biography