In May 1898, during the Spanish-American War, he enlisted as a private in Company L, Second Regiment of the New York Volunteers Infantry.
He was promoted to corporal shortly afterwards, and was appointed second lieutenant of Company A, 202nd New York Volunteers Infantry.
During World War I, he served as Major, Judge Advocate with the 13th Division in Camp Lewis, Washington[1] Todd was admitted to the bar in 1900, at which point he began practicing law with Edgar T. Brackett in Saratoga Springs.
In July 1921, he was appointed United States Attorney for the Northern District of New York, an office he resigned from in September 1922.
In 1929, he was Special Assistant of the New York County District Attorney in prosecution connected to the failure of the City Trust Company.
He again served as Special Assistant to the Attorney General in the prosecution of the Samuel Druckman murderers from 1936 to 1937.
She was a captain in the Red Cross Motor Corps at Saratoga Springs during World War I, an active participant in the auxiliaries of the United Spanish War Veterans and the American Legion, and a member of the Colonial Dames of America and the Daughters of the American Revolution.