Biography:

Jasper Yeates, the son of John Yeates (1705-1765) and Elizabeth Sidebotham (1704-1763; also spelled Sidebottom), was born on April 17, 1745 in Philadelphia. Jasper Yeates earned a bachelor's degree from the College of Philadelphia in 1761, and shortly thereafter he went on to study law. After his admission to the Pennsylvania Bar in 1765, Yeates started his law practice in Lancaster where he became the most prominent lawyer of the county.