Found something interesting following the name trail, McInturff (America) to McInterfeer (emigration) to Meckendorfer (Germany) -- from a records search at ancestry.com.
Checking immigration records, there are two ship's passenger lists at the immigrant ship's transcribers guild (istg.rootsweb.com), one in Volume 2 and a corrected annotated one in Volume 4, for:
"Ship Allen" -- Sailed from Rotterdam July 7, 1729, arrived at Philadelphia on Sept 15, 1729.
Passenger list Vol 2 includes Johannes McInterfeer, in Vol 4, this passenger is listed as Johannes Meinterfeer.
Vol 4 annotation states that this group of passengers was sailing with Alexander Mack (on the passenger list), who was the leader of the Schwartzenau-Taufer, a radical German Baptist reformed church movement which became known as Church of the Brethren; they are considered one of the three historic peace churches along with Mennonites and Quakers.In Germany they had suffered extreme persecution with over 2000 documented executions by burning, drowning and beheading. The passengers of Ship Allen went to first Germantown but later scattered and spread out, many to Virginia, and later out West.