Henry Onderdonk was born c 1805 at New York. He was the son of
Lott Onderdonk and
Susannah Schenck. Henry Onderdonk married
Mary L. Webb on 31. Dec. 1839. Henry Onderdonk was shown in the census on 8. Oct. 1850 as a farmer.
Henry Onderdonk and
Mary L. Webb appeared on the census of 8. Oct. 1850 at North Hempstead, Queens County, New York; real estate value 12,000.00. Henry Onderdonk removed to at Galesburg, Knox County, Illinois, c 1858. Henry Onderdonk was shown in the census on 11. Jul. 1870 as a hotel keeper.
Henry Onderdonk and
Mary L. Webb appeared on the census of 11. Jul. 1870 at Douglas, Iroquois County, Illinois; personal property 700.00
In the household
Henrietta age 19 b. New York
Hannah age 26 b New York. Henry Onderdonk died on 15. Oct. 1885 at Peoria, Peoria County, Illinois.