"The Leet family, ..., date their origin in America to 1685, when the grandfather of Isaac Leet left Mansfield, England, and found a home in the New Jersey colony. In 1751 Isaac Leet removed from New Jersey to Virginia, and found his way to Washington county, Penn., in 1779, following his son Daniel, who came in 1770. To Isaac and Rebecca Leet children as follows were born: Daniel, Rachel (who married Hugh Wilson), Jonathan (who married Mary, a daughter of Dr. Thomas Moore, and died in South Strabane township), Isaac (who died in Canton township), Elizabeth, Rebecca (who married Enoch Dye) and two or three others. He located 351 acres of land, under a Virginia certificate, which was surveyed January 6, 1807, and named 'Leet's Fancy.' The father of this family died there, and was buried where now is the Weirich cemetery. Jonathan Leet was the father of six children, one of whom was Isaac Leet, a prominent attorney, who was State senator in 1834, and later a member of Congress until his death in 1844. He married Margaret Swearingen Cook, daughter of John Cook and granddaughter of Andrew Swearingen. Mary, a daughter of Isaac and Margaret Leet, is the wife of James B. Wilson, grandson of Hugh Wilson. Maj. Daniel Leet was born near Bordentown, N.J., November 6, 1748. He was commission surveyor of Augusta county, Va., April 17, 1776. He erved in the Revolution as quartermaster and paymster(sic), and on September 21, 1778, was promoted to the rank of brigade major. During and after the Revolution he was a leader of men. At Crawford's defeat he did not act as brigade major, but as the second in command, having been elected to the position by the volunteer force. He stood high in his profession of surveyor, acting as one of the commission in fixing the county seat of Washington county, and districting it into townships; serving as deputy surveyor before the western line of the Commonwealth was established; making the survey of the Second District of the Depreciation lands; making the survey within the reserved tract where Allegheny is located; laying out and surveying the other reserved tract at the mouth of the Beaver river, etc. He was made justice of the peace and ex officio associate judge when the county was erected, and was a representative in the General Assembly in 1791 and in 1792."
Commemorative Biographical Record of Washington County, Pennsylvania - Page 1424
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