[4] Baldwin moved to Detroit, Michigan, where he established a wholesale business in boots and shoes in 1838.

Baldwin donated the church lot and underwrote a large portion of the cost of building a chapel to seat 125 persons (completed November 1859) and paid for the construction of the rectory.

He also contributed in large part to the building of the larger 1,300-seat nave, completed in 1861.

[1] He was appointed and subsequently elected as a Republican to the United States Senate to fill the vacancy caused by the death of Zachariah Chandler, serving from November 17, 1879, to March 3, 1881, alongside Thomas W. Ferry.

[5] Baldwin was not a candidate for reelection to the Senate and resumed his former business pursuits, serving as president of the Detroit National Bank, 1883–1887.