Biografie von William SINCLAIR (XIX)
Birth place: Scotland
Addresses: NYC and Philadelphia, 1850-c.1881
Profession: Lithographer
Comments: He was the eldest son of Thomas Sinclair (see entry). William was brought to America as a child and grew up in NYC and Philadelphia. He was listed as a lithographer as early as 1850 and seems to have worked for his father until the latter's death in 1881. William carried on the business until 1889 and then sold out.
Sources: G&W; 7 Census (1850), Pa., LV, 579; 8 Census (1860), Pa., XLIX, 198 Phila. CD 1855-60+; Peters, America on Stone.