Ingraham was born in 1870 to Ella Moulton and
Darius H. Ingraham. His father served as mayor of Portland from 1892 to 1893 and was twice appointed consul-general. Ingraham was a graduate of
Bowdoin College in the class of 1895 as well as
Harvard Law School. He studied law under
Augustus H. Moulton and was admitted to the Maine bar in 1897. In 1901, he married Jessamine P. Damsel of Evanston, Illinois. In 1907 he was appointed Judge of Probate, a position he held for two terms. A
Democrat, Ingraham was elected
Mayor of Portland in December 1915. He served one term in that position and was replaced the following year by Republican
Wilford G. Chapman. He was then appointed
United States Assistant Secretary of War from 1916 to 1917 in the Wilson administration. In 1928, he was a delegate to the
Democratic National Convention. He died unexpectedly on October 13, 1951 at his family home located at 79
High Street. Funeral services were held at the nearby
Cathedral Church of St. Luke. He is buried at Portland's
Evergreen Cemetery. ==References==