1560s, in relation to duties or obligations, from Latin incumbentem (nominative incumbens), present participle of incumbere (see incumbent (n.)). The literal, physical sense is rare in English and first attested 1620s.
Not to be confused with Tompkins County, New York. Tompkins is a town in Delaware County, New York, United States. The population was 1,247 at the 2010 census. The town is named after Daniel D Tompkins, a New York political leader.
Cayuga County, New York History. Genealogical Resources: History of Locke, NY. Old Fulton NY Post Cards has the largest online collection of 400 New York 1795-2007 newspapers. The instructions for this quirky site are needed to get the most out of it. Search engine for all 400 newspapers.