11 A BIOGRAPHICAL NOTICE OF 



Prussia, December 15th, 1768. He came to America October 10th, 

 1798, and settled in Baltimore, Maryland, where he died November 

 15th, 1834. His wife, Catherine SchaefFer, was born in Carroll 

 County, Maryland, April 17th, 1782, and died June 18th, 1869. 



Their son, Philip Henry Horn, was born in Baltimore, December 

 25th, 1812. He came to Philadelphia about 1830, studied in the 

 College of Pharmacy here, and established himself in the drug 

 business, at the southwest corner of Fourth and Poplar Streets, 

 until 1876, when he retired. The house and store which he built 

 here was that in which his son, George Henry, was born. He was 

 elected President of the Northern Liberties Gas Company, and was 

 a director in various corporations until his death in 1890. He was 

 an active member and church officer in the German Reformed 

 Church on Race Street below Fourth until the Church was sold, 

 when he united with the Reformed Church at Seventh and Spring 

 Garden Streets. 



Dr. Horn's maternal grandfather, Thomas Brock, was born in 

 New York City, in 1787, of English Episcopalian parents. His 

 mother died when he was quite young, and was buried in Trinity 

 Church-yard, New York, after which his father removed to Toronto, 

 Canada. In his early manhood Thomas Brock returned to New 

 York, where he learned the trade of stone-cutter. Subsequently he 

 came to Philadelphia, but he retired from business many years pre- 

 vious to his death here in May, I860. He served in the war of 

 1812 on the American side. His wife, Maria Elizabeth Nonnater, 

 was born in Philadelphia, at the southwest corner of Tenth and 

 Arch Streets, in 1788, and died in the same city in October, 1857. 

 She was the daughter of Jacob and Anna Catherine Nonnater, who 

 came from Germany before the Revolutionary War and settled in 

 Philadelphia. Jacob Nonnater took the oath of allegiance to the 

 United States. His two sons, Stephen and Jacob, served in the war 

 of 1812, and were highly respected citizens. All belonged to the 

 German Reformed Church on Race Street below Fourth. 



The daughter of Thomas Brock and Maria Elizabeth Nonnater, 

 Frances Isabella Bx'ock, also a communicant member of the same 

 church, was born in Philadelphia, January 13th, 1820. She was of 

 delicate health and died at the age of thirty years. Four children 

 were the issue of her marriage to Philip Henry Horn, George Henry, 

 the subject of this notice, and three girls, one of whom died at 

 twenty-seven years, one at fifty-two, and one who survives her 



