When Bathsheba Cowperthwaite was born about 1707, her father, John Cowperthwaite Sr., was 40 and her mother, Sarah Adams, was 40. She married Joseph Dunlap in 1727, in Gloucester, New Jersey, United States. They were the parents of at least 1 son. She died in 1772, in New Jersey, British Colonial America, at the age of 66.
English (Lancashire and Westmorland): habitational name from Copperthwaite in North Yorkshire, which is named with Middle English coupere ‘maker of wooden buckets and tubs’ + thweit ‘clearing’ (from Old Norse thveit).
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