United States Census, 1860 Dwight Village, Livingston, Illinois
Interestingly, the grandmother and great-uncle of profile manager David Olson were born in Dwight, IL: Edith (Ketcham) Olson 1888-1974 and Paul Dwight Ketcham 1891-1971. Their father was George Brill Ketcham, from Beekman, Dutchess, NY. William Henry is likely related, as dozens of Ketchams came from Dutchess Co NY, but I do not know his parentage.
The Losee family (his wife's) also go back through Dutchess Co, NY to the colonists of Long Island, as do the Ketchams.
Censuses, marriage records for Illinois, gravesite.
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