John Van Fleet Wyckoff was born on October 30, 1829 at New Jersey. John Van Fleet Wyckoff was the son of
John Martin Wyckoff and
Leah Van Fleet. John Van Fleet Wyckoff married
Mary Jane DeMott, daughter of
John DeMott and
Rachel Rockafellow, on June 8, 1854 at Hunterdon County, New Jersey.
John Van Fleet Wyckoff was shown in the census on July 23, 1860 as a merchant.
John Van Fleet Wyckoff and
Mary Jane DeMott appeared on the census of July 23, 1860 at Readington Twp., Hunterdon County, New Jersey; real estate value 2,500.00, personal property 5,000.00. John Van Fleet Wyckoff was shown in the census on July 13, 1870 as a dry goods and grocery merchant.
John Van Fleet Wyckoff and
Mary Jane DeMott appeared on the census of July 13, 1870 at Readington Twp., Hunterdon County, New Jersey; real estate value 6,000.00, personal property 7,000.00. John Van Fleet Wyckoff was shown in the census on June 10, 1880 as a merchant.
John Van Fleet Wyckoff and
Mary Jane DeMott appeared on the census of June 10, 1880 at North Readington Twp., Hunterdon County, New Jersey.