Born in Worcester, Massachusetts, Morrill graduated from Harvard College in 1923 and received a Bachelor of Laws from Harvard Law School in 1926.
He was in private practice in Massachusetts and in Paterson, New Jersey.
In 1942, he became a first lieutenant in the United States Army.
[1][2] On March 25, 1958, Morrill was nominated by President Dwight D. Eisenhower to a seat on the United States District Court for the District of New Jersey vacated by Judge Alfred E. Modarelli.
Morrill served in that capacity until his death on March 12, 1961.