Peter Clark Wolcottt was born in New York, New York, May 4, 1856. He became an Episcopal deacon in 1879. He served the Diocese of Iowa. until his February 3, 1892 election as rector of the Trinity Episcopal Church.
Reverend Wolcott served as the churches Rector, 1892-1925. In addition to his clerical duties, he served on the Highland Park Public Library Board, 1893-1923, and on the high school board, 1898-1916. He served terms as president of the library board and terms as chief executive for the high school board.
Dr. Wolcott married Elinor Louise Smith in 1885, and the couple had three children who grew up in Highland Park.