He engaged in the lumber, grain, and coal business and graduated from University of Michigan Law School in 1900.
He was admitted to the bar in Michigan and New York the same year and commenced the practice of law at Niagara Falls, New York, in 1901. Gittins was elected as a Democrat to the 63rd United States Congress, holding office from March 4, 1913, to March 3, 1915. Gittins was owner and publisher of the Niagara Falls Journal from 1914 to 1918.
And was Postmaster of Niagara Falls from October 16, 1916, to January 21, 1920.
Afterwards he resumed the practice of law, and was appointed commissioner of the Niagara Falls State Park in 1918, serving until 1940. Gittins moved to New York City in 1923 and continued the practice of law until 1956.
He resided in Sloatsburg, New York, until his death at Tuxedo Memorial Hospital in Tuxedo Park on December 25, 1957.
Gittins was a member of the New York State Senate (47th Doctorate) in 1911 and 1912. And a delegate to the 1912 Democratic National Convention.