Bacon (Gaspar G.) is born in Jamaica Plain.

The son of banker Robert and Martha (Crowdin), Gaspar Bacon grows up on the family estate on Perkins Street, graduates from Harvard College and Harvard Law School, and marries Priscilla Tolland in 1910. He serves in U.S. Cavalry in Mexico and in the U.S. Army in World War I, in the Massachusetts Senate (1924-32) and as Senate president (1929-32), and lieutenant governor (1933-34), and is an unsuccessful candidate for governor in 1934.* After retiring from politics, Bacon teaches at Boston University, practices law, and serves in World War II. He dies in Dedham on December 25, 1947.