Ephraim Seehl, an apothecary and chemist, was married to his sister Sarah.[2][3]
In 1796 his wife, Elizabeth, died, and less than a month later his second daughter, Sarah, married George Green, whom Perry had taken as apprentice a dozen years previously. In 1798 Perry married Green's sister Mary. He retired to Moor Hall, near Harlow[4] and was appointed High Sheriff of Essex.
Perry's children by his two marriages included:
John and Philip, who followed him into the family business