Abraham Neff, son of Bernhard, Jr., was born in Heidelberg about 1811 and died at Neff's in 1881. He was a cabinet maker, wheelwright and watch-maker. He began housekeeping in Heidelberg and from there he moved to what is now Neff s, where he built the first house in the woods. There he carried on cabinet-making and undertaking for years; established the post office and became its first postmaster, serving the office until his death. About 1840 he laid out the village, and in 1850 he was granted the first hotel license, being succeeded in the hotel by his sons. Edward and Peter Neff.

He was a leading and successful businessman of the community was active as a member of the Unionville Reformed church, in which he served all the offices. He was married Anna Eliza Kichline of Allentown.