Frankford Creek is a minor tributary of the Delaware River in southeast Pennsylvania. It derived its name from the nearby town of Frankford, Philadelphia County. The stream originates as Tookany Creek at Hill Crest in Cheltenham Township and meanders eastward, then southeastward, throughout Cheltenham Township, until a sharp bend near the Philadelphia border at Lawncrest, where the place names Toxony and Tookany were used in historic times; the stream is still known as Tookany Creek in this region, where it flows southwest. Turning south into Philadelphia at the crotch of Philadelphia's Y-shaped border, the creek is called Tacony Creek; from here southward, it is considered the informal boundary separating Northeast Philadelphia from the rest of the city. The Philadelphia neighborhoods of