James Hartt Van Buren (1850 - 1917) was the first bishop of the Episcopal Diocese of Puerto Rico, serving from 1902 to 1913.

He studied at the Yale Divinity School from where he graduated in theology.

In 1890 he became rector of St Stephen's Church in Lynn, Massachusetts.

He was consecrated on June 24, 1902 in St Stephen's Church by the George William Peterkin of West Virginia.

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