William Barclay Foster

William Barclay Foster
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Born	(1779-09-07)7 September 1779 Berkeley County, Virginia
Died	Allegheny, Pennsylvania
Resting place	Allegheny Cemetery
Occupation	Businessman; merchant
Known for	The father of Stephen Foster.
Board member of	Cannonsburg Academy
Spouse(s)	Eliza Clayland Tomlinson (1788 - 1855)
Children	Charlotte Susanna Foster (1809 - 1829), Anne Eliza Foster Buchanan (1812 - 1891), Henry Baldwin Foster (1816 - 1870), Henrietta Angelica Foster Thornton (1819 - 1879), Dunning McNair Foster (1821 - 1856), Morrison Foster (1823 - 1904), Stephen Foster

William Barclay Foster (1779 - 1855) was the father of Stephen Foster and a notable businessman in his time. He has been referred to one of the most prosperous merchants of Pittsburgh, Pennsylvania. He was a Pennsylvania state legislator and served three terms. He was also elected mayor of Allegheny City (now part of the city of Pittsburgh) twice in his lifetime. He has been idenitied as a "patriot", a "lover of home" and an "outstanding servant to his community, state and government". He married Eliza Clayland Tomlinson on November 14, 1807, in Chambersburg, Pennsylvania.

His father James Foster, was born in 1779 in Berkeley County, Virginia. At the end of the revolutionary war, he and his family moved to Western Pennsylvania along with other Scotch and Irish families. James Foster was one of the founders and original trustees of Canonsburg Academy, a school founded in 1791. William attended the academy until he was sixteen and then moved to Pittsburgh shortly after the city's incorporation along the Monongahela and Allegheny rivers. William Foster found work with the company of Denny and Bellen, "Dry Goods, Hardware, etc." He represented the company promoted to a partner, and traveled widely.

Primary source material including family letters, business documents, ledgers, maps of property and other of Barclay's writings are housed in the University of Pittsburgh Library System Archives Service Center. These have been digitized and are accessible remotely.