Joseph Steward Middleton (1839-1928) was a member of Chesterfield Monthly Meeting (Orthodox). This collection contains genealogical materials on the Middleton, Thorne, and Steward families of New Jersey which were collected by Joseph S. Middleton from various sources. It includes notes compiled by another Middleton family genealogist, Catherine H. Middleton.

This collection contains records of the Taylor family farm, as well biographical documentation on the genealogy of the family. Extensive records of Howard Taylor, including his "Farm News" volumes are included in this collection.