1966 is this person's birth date. Onslager was born 58 years ago. 191 Old Limestone Rd, Oxford, Pa 19363 is where Onslager lives. Phone number listed for Onslager is (610) 932-5572. We have found 9 possible relatives of Onslager: Elizabeth J Onslager, Glenn W Schultz, William Anthony Onslager and 6 other people. This person has stayed in Marcus Hook, Philadelphia, Cherry Hill and 2 other cities before moving to Oxford.