“History of Allegheny County Pennsylvania”
Cushing, Thomas, 1821.
Chicago: A. Warner Co., 1889.
“HIRAM B. SINCLAIR, president of the First National bank, McKeesport, was born in Elizabeth township, Allegheny county, August 8, 1815, a son of SAMUEL and ELIZABETH (McKEE) SINCLAIR.His paternal grandfather, SAMUEL SINCLAIR, a native of Maryland, and of Irish descent, settled in Elizabeth soon after the Revolution, and cleared and improved a farm where Reynoldton now stands, and there died.He had but one child, SAMUEL, who succeeded to the homestead, residing there until his death.The wife of the latter was ELIZABETH, a daughter of ROBERT McKEE, a native of Ireland, and a pioneer of Versailles township, whose father, ROBERT McKEE, built the first courthouse in Allegheny county, on the site of the present market-house in Pittsburgh.SAMUEL and ELIZABETH SINCLAIR had children as follows: JANE (MRS. WILLIAM EDMUNDSON), REBECCA (MRS. ISAAC EDMUNDSON), MARY (MRS. JOHN A. ROBINSON), ROBERT, LOUISA (MRS. SAMUEL M. ROSE), ELIZABETH (MRS. J. W. EDGAR), PRESLEY and HIRAM B., who is the only survivor of the family.
HIRAM B. SINCLAIR now reared on his father’s farm, and is now the only survivor of the family.At the age of twenty-one he located in McKeesport, and embarked in steamboating and the coal trade, in which he was engaged until 1865.For upward of fifty years he has owned the ferry betweenMcKeesport and Elizabeth (now Lincoln township).He was one of the organizers of the First National Bank of McKeesport, and is now (1888) serving his third year as president of the same.In 1840 he married SARAH J., daughter of JOHN and ELIZA (WORK) CUNNINGHAM, of Mifflin township, by whom he (pg. 335) has one daughter, OLEAN F. (MRS. T. A. MILLER).MR. SINCLAIR is a prominent and enterprising citizen, and has held various local offices.In politics he is a democrat.”