A lot of the land was eventually lost, but a tract was set aside in the early part of the 20th century.
The name is a derivation of a phrase from the Algonquian language spoken by the Hackensack people, a phratry of the Lenni-Lenape who lived in the northeastern New Jersey at the time of European contact in the 17th century.
Spellings included Pimbrepow, Pembrepock, Pemmerepoch,[9] Pimlipo, Pemrepau,[10] Pemrapaugh, Pamrapough,[11] Pamrepaw[12] and Pamropo.
[15] Patents for land Achter Kol (beyond the ridge) were issued in 1654,[16] as an extension of the Pavonia, New Netherland settlement, which were centered on Communipaw and Harsimus.
[17][18] The Central Railroad of New Jersey maintained a station called Pamrapo along the right of way now used by the Hudson Bergen Light Rail While the original Lehigh Valley Terminal Railway tracks, New Jersey Route 185, New Jersey Turnpike Newark Bay Extension (I-78) create a physical boundary and de facto border with Bayonne the actual city cuts diagonally across the neighborhood along the route of the Morris Canal.