Mesick was born in Newark, New York and attended the common schools. He moved to Michigan and attended Kalamazoo Business College and graduated from the law department of the University of Michigan at Ann Arbor in 1881.
Born in Newark, New York, Mesick pursued his education through local schools. After moving to Michigan, he attended Kalamazoo Business College and later graduated from the University of Michigan's law school in Ann Arbor in 1881.