Source: History of the Friendly Sons of St. Patrick and of the Hibernian Society for the Relief of Emigrants from Ireland: March 17, 1771-March 17, 1892 (published 1892) by John Hugh Campbell
Andrew Armstrong, 1852. — Born in County Tyrone, near Londonderry, Ireland, May 8, 1812. Emigrated to America in July, 1834, and settled in Philadelphia in January, 1835. He was in the tobacco commission business. Some years since he retired from business, and now resides at 1404 Pine street. His brother, Robert Armstrong (1864), was also a member of the Society.
Robert Armstrong, 1864. — Born in County Tyrone, near Londonderry, Ireland, about 1820. He emigrated to America, settling in Philadelphia in January, 1852. His brother, Andrew Armstrong (1852), preceded him seventeen years. He was in the tobacco commission business, and died unmarried, May 19, 1883, in Philadelphia, and was buried in Woodland Cemetery.
Thomas Armstrong, 1814. — Attorney-at-law, was admitted to the Philadelphia Bar upon May 8, 1788. Was commissioned Associate-Justice of the Court of Common Pleas, April 8, 1817. Died January 28, 1842, aged 77 years. In his will, admitted to probate upon February 14, 1842, mention is made of his wife, Henrietta Armstrong, his son, Edward Armstrong, and his daughters, Henrietta Armstrong, Mary McKeen and Emeline Burt. [See Martin's Bench and Bar of Philadelphia, Philadelphia, 1883, pp. 55 and 244.]
Source: Who's Who in Pennsylvania by Lewis Randolph Hamersly (1904)
ARMSTRONG, Francis -- Operator in coal mining; was born in Crosscavanagh, County Tyrone, Ireland,
on May 19, 1844. Francis Armstrong arrived in America at an early age, and, after receiving a common school education,
he entered the employ of his uncle, Charles Armstrong, who was extensively engaged in general contracting and was also
interested in the coal business in Pittsburg, PA. In 1868 he branched out as a general contractor, in the city of Pittsburg,
and achieved success from the start, and in the year 1873 he entered the field of coal mining, and soon thereafter became
proprietor of the Summer Hill Mines, in the Pittsburg district; he subsequently became interested in and was made President
of the National Mines, located on the line of the Pan-Handle Railroad. For several years Mr. Armstrong conducted a number of
coal yards in Pittsburg, remaining also in the mining business until the formation of the Pittsburg Coal Company, to which
corporation he, in the year 1899, sold his entire mining interests, realizing therefrom a fortune; was married at Columbus,
Ohio, to Miss Cora M. Osan of Shilo, Ohio, and Is the father of four children — Charles H. O., Francis D. O., Chauncey B. O.,
and Catharine A. Address - Pittsburg, PA.