Title: History of Allegheny county, Pennsylvania: including its early settlement and progress to the present time ; a description of its historic and interesting localities ; its cities, towns and villages; religious, educational, social and military history ; mining, manufacturing and commercial interests, improvements, resources, statistics, etc. ; also, biographies of many of its representative citizens
Author: Cushing, Thomas, b. 1821
WILLIAM JOHN DENNY, McKeesport, successor to DENNY Bros., wholesale and retail liquor dealers, was born in London, England, Dec. 24, 1858, and with his mother and brother came to America in 1870, locating in Pittsburgh. In 1873 they moved to McKeesport, where EUGENE and W. J. DENNY bought the homestead, embarked in the retail liquor trade, which they conducted five years, when the wholesale business was added; they also built a large establishment on Fifth Avenue.The firm was known as DENNY Bros. until 1886, when W. J. purchased the interest of his brothers and has since conducted the business alone.
Title: Genealogical and personal history of western Pennsylvania, Vol. 2
Author: Jordan, John W. (John Woolf), 1840-1921
Pgs. 760, 761
The DENNY family, like a large proportion of the inhabitants of the United States, is of the sturdy Irish stock.
TIMOTHY DENNY was born in County Carey, Ireland, and after the birth of his two eldest children moved to London, England, where he was engaged in business as a merchant, and died in 1859.He married, in Ireland, HELEN McGILLICUDDY, who died in McKeesport, Allegheny County, Pa., in 1882.She came to America with six children in 1870.She and her husband were of the Catholic faith, and in McKeesport she became a member of St. Peter’s Church.Children, the four youngest born in England: JOHN, a decorator, died in McKeesport in 1882; TIMOTHY, died at the age of 21 years in London, England; THOMAS, a contractor, died in Memphis, Tennessee, in 1890; EUGENE, a merchant, died in McKeesport; FRANK, a merchant, died in McKeesport in 1908; WILLIAM JOHN, of further mention.
WILLIAM JOHN DENNY, son of TIMOTHY and HELEN (McGILLICUDDY) DENNY, was born in London, England, Dec. 24, 1858.His school education was commenced in England, and was completed in the night schools of Pittsburgh, Pa., while he was learning the trade of glass blowing.Upon his return to McKeesport, where his brothers were already established in the wholesale liquor business, he joined them in this line of business, and as they dropped out, one by one, he took over their share of the business until he became the sole proprietor of what is now the oldest wholesale liquor business in McKeesport.He is, however, actively identified with other business enterprises, and is a stockholder in the Tube City Brewing Company, also a stockholder in the Thomas Moore Distilling Company, and also on the board of directors of the Duquesne Bridge Company.He was one of the organizers of the last mentioned corporation, operating a toll bridge, and has also assisted in organizing a number of other companies for various purposes.He is independent in his political views, and has the courage of his convictions.He is a member of the Benevolent and Protective Order of Elks and the Fraternal Order of Eagles, and his religious affiliation is with St. Peter’s Roman Catholic Church.
MR. DENNY married, in 1892, CAROLINE, born in Germany, a daughter of PETER and CAROLINE KOCH, and a member of St. Mary’s Roman Catholic Church.They have had children: GENEVIEVE, who died at the age of 21 years; ALICE, LILLIAN, WILLIAM, CAROLINE, HELEN, ANNA.