When Benjamin H. Sinclair was born on 4 October 1848, in Shelby, Indiana, United States, his father, Amos W. Sinclair, was 41 and his mother, Miriam C. Boone, was 32. He married Margaret Jane Ulrey on 10 October 1869, in Clark, Illinois, United States. They were the parents of at least 1 son and 1 daughter. He lived in Brandywine Township, Shelby, Indiana, United States in 1860 and Parker Township, Clark, Illinois, United States in 1880. He died on 4 February 1891, in Clark, Illinois, United States, at the age of 42, and was buried in Rupp Cemetery, Martinsville Township, Clark, Illinois, United States.
Scottish and English: of Norman origin, a habitational name from Saint-Clair-sur-Elle (Manche), so called from the dedication of its church to Saint Clarus (see Clare 3).
Americanized form of some similar (like-sounding) Jewish surname.
History: The Scottish family Sinclair (see 1 above) came to southern Scotland in the twelfth century from Huntingdonshire with the de Morvilles. Descendants of these Sinclairs became earls of Caithness in the 15th century. The frequency of the surname in Caithness and Orkney is largely due to the adoption by tenants of the name of their overlord.
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