Joppa Gate

Gunpowder Falls And Vicinity In Maryland

He [Heathcoat Peckett or Pickett] was born in 1706.  When an old man he was hanged during the Revolution at Joppa Gate, [1777] having been of Tory sentiments.  A piece of the tree from which he was hanged is still preserved by a family of the neighborhood.

Source

A post about Heathcoat's Cottage here.

Heathcoat's sister, Temperance Pickett, married William Lowe and was the mother-in-law of a Greer.