Peter Davis Oakley was a member of the Connecticut National Guard before he was elected as a Republican to the Sixty-fourth Congress.
He served as member of the city council in 1891-1894, as city alderman and collector of city taxes in 1894 and 1895, as a member of the Connecticut National Guard from 1895-1901, and as city assessor from 1900-1915. Oakey was elected as a Republican to the Sixty-fourth Congress (March 4, 1915  March 3, 1917). 
