John Jacob Leidy
ID# 5129, b. 7 November 1753, d. 1818
- Father: Carl Ludwig Leidy b. 20 Dec 1729, d. 25 Feb 1785
 - Mother: Ursula Elizabeth Seipel b. 1734, d. 8 Apr 1786
 
- Birth*: John Jacob Leidy was born on 7 November 1753 at Bucks County, Pennsylvania.
 - Marriage*: John Jacob Leidy married Catharine Conver on 17 April 1777 at Pennsylvania.
 - Death*: John Jacob Leidy died in 1818 at Bucks County, Pennsylvania.
 
Family: Catharine Conver b. 1754, d. a 1794
- Charles Leidy b. 7 Jan 1778
 - Henry Leidy b. 12 Jan 1779
 - Catherine Leidy b. 16 May 1780
 - Maria Margaretta Leidy b. 1 Mar 1781
 - Jacob Leidy b. 10 Jan 1782
 - Christian Leidy b. 3 Jan 1784
 - George Leidy b. 7 Oct 1786
 - Conrad Leidy+ b. 25 Nov 1788, d. 2 Sep 1875
 - Philip Leidy b. 5 Dec 1791, d. 9 Oct 1862
 - Emanual Leidy b. 22 Dec 1794
 - Francis Mary Leidy b. 6 Mar 1798