Born in Providence, Rhode Island, Parkhurst was a maternal descendant of Roger Williams.
From 1892 to 1895 he was a member of the Providence Common Council, and from 1900 to 1902 he served in the Rhode Island Senate.
[1] In April 1902, Parkhurst was appointed by the New York Supreme Court to act as ancillary receiver in bankruptcy for the Oriental Print Works Company,[3] and in 1904, Parkhurst was designated by the Rhode Island Supreme Court to serve as master of chancery for considering claims by creditors against the American Tubing and Webbing Company.
[4] On February 23, 1905, Parkhurst was elected by unanimous vote of the Rhode Island General Assembly to a seat on the Rhode Island Supreme Court,[5] which had been vacated by the elevation of Justice William W. Douglas to the position of Chief Justice following the death of Pardon E.
[1][8] Parkhurst married Estelle Louise Eliot, with whom he had a son and a daughter.