WILLIAM L MUSTIN, a prominent Pittsburg business man and former president of the Pittsburg stock exchange, comes
from a long line of distinguished ancestors. On his father's side he is descended from French Huguenots, who were
forced by religious persecution to emigrate to England, where the family name was changed from Moustain to the
present form of spelling. The great grandfather of the subject of this sketch and the first of the family to emigrate
to America, became a merchant in Philadelphia, and his son, Anthony Mustin, was the first to establish in Philadelphia
what is known as a "trimming store," James G. Mustin, son of Anthony and father of William L, was a native
of Philadelphia, and for some years engaged there in the trimming business. He came to Pittsburg in 1840, became
connected with the Logan Gragg hardware company, and continued in the hardware business until his death, which
occurred in March, 1864. His wife, Frances (Irwin) Mustin, died in Pittsburg, Feb. 24, 1897. She was a granddaughter
of John Irwin, who was born in Ireland, and came to America in 1772, residing for a number of years in Carlisle,
Pa., and then, in 1790, came to the village of Pittsburg. Here he opened the first dry goods store, located at
the corner of Fourth and Market streets, and continued in that business up to the time of his death, which occurred
in April, 1830. A son of John Irwin, William Wallace, grandfather of William I. Mustin, was for many years prominent
in Pittsburg politics, at first as a whig and later as a democrat. He was a member of congress, mayor of Pittsburg
in 1839, and, by appointment of President Tyler, served as United States minister to Denmark. He died in Pittsburg,
in September, 1856. William I. Mustin, the subject of this article, was one of five children, of whom two besides
himself are living: Caroline Denny, wife of George W. Nicholson, of Pittsburg, and Edwin T., a commercial traveler.
Mr. Mustin was born in Pittsburg, June 8, 1860, and was educated at home, under the direction of his mother. He
began to learn the printers' trade at an early age, and, on Oct. 9, 1871, entered the employ of George B. Hill.
In 1881 he was admitted to partnership, which relationship continued until Mr. Hill died, in 1900. In political
belief he is an ardent republican, and has long been a prominent factor in Pittsburg politics. He was, from 1898
to 1902, a member of the select council of Pittsburg; councilmanic trustee of the Carnegie library and Carnegie
institute from April, 1900, to April, 1902; president of the Americus club from 1894 to 1898; has been vice president
of the Mozart club since 1890; served five years as president of the stock exchange, and it is largely by his efforts
that the exchange owns and occupies its present building. He is past eminent commander of Tancred commandery. No.
48, Knights Templars, and a member of the Mystic Shrine, and belongs to the following clubs: Monongahela, Duquesne,
Americus, Masonic country. Browning and Fishing, all of Pittsburg. He is a member of the Art society, and is a
patron of the Pittsburg orchestra. He also belongs to the Manufacturers' club, of Philadelphia, and the New York
athletic club, of New York. On April 12, 1883, Mr. Mustin married Miss Sarah Isabel Dorrington, daughter of John
and Sarah Dorrington, and has three children. Burton Hill, Eleanor Dorrington and Agnes Mahon.
Memoirs of Allegheny County, Pennsylvania
personal and genealogical with portraits.
Publishers: Northwestern Historical Association
Madison, Wis. 1904.
Allegheny County Pennsylvania Biographies
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