William Neilson McVickar (October 19, 1843 - June 28, 1910) was the sixth Bishop of Rhode Island in The Episcopal Church.

[2] He was ordered deacon in 1867 and priest in 1868 after which he became rector of Holy Trinity Church on 125th street in New York City.

[4] McVickar was elected Coadjutor Bishop of Rhode Island on October 19, 1897, at a special session of the diocesan convention of Rhode Island held in Providence.

[5] He was consecrated at Holy Trinity church, Philadelphia on January 27, 1898, by Bishop William Croswell Doane of Albany.

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