Born in Elizabeth, New Jersey, Dimock received an Artium Baccalaureus degree from Yale University in 1911.
He was in private practice in New York City from 1914 to 1941, and was a lecturer at Yale Law School from 1941 to 1946, and Editor of the Official Law Reports of the State of New York from 1942 to 1945.
[1] On June 11, 1951, Dimock was nominated by President Harry S. Truman to a seat on the United States District Court for the Southern District of New York vacated by Judge George Murray Hulbert.
He was a member of the Judicial Conference of the United States from 1958 to 1959.
Dimock served in that capacity until his death on March 17, 1986, in Forestburgh, New York.