Named for the nearby mountain of the same name, Jericho Creek formed part of the boundary of
William Penn's original purchase of land on 15 July 1682 with the
Lenape. Later it became the southern boundary of the
Walking Purchase (19-20 September 1737). It was first named Bakers Creek for Henry Baker, Justice of the Peace, who may have been a landowner and settler before 1682. The Indian Purchase of 1682 was limited to extend up the Delaware River from the mouth of the
Neshaminy Creek "as far as a man can walk in a day and a half". It was said that this was done by
William Penn himself, some of his friends and some Indian chiefs. This was a leisurely walk with breaks, unlike the
Walking Purchase of 1737 by Penn's sons. The creek was marked Knowles Creek on a number of maps of the 19th century. ==Statistics==