Fr. John M. Onderko: Allegations of Sexual Abuse of a Minor Have Been Admitted, Established or Determined to Be Credible

Fr. John M. Onderko

Ordained: 1962

  • 1963-1964: Sacre Couer, Creve Coeur, IL (PEO)
  • 1965-1979: St. Hyacinth’s, La Salle, IL (PEO)
  • 1980-1981: Holy Cross, Mendota, IL (PEO)
  • 1982-1992: St. Mary’s, Moline, IL (PEO)
  • 1993: Absent on Leave (PEO)
  • 1994-2005: Resurrection, La Salle, IL (PEO)
  • 2006-2009: Retired (St. Pius X, Rock Island, IL) (PEO)
  • 2006-2016: Retired (2200 36th St, Rock Island, IL) (PEO)
  • 2017-2019: Unknown

In 2018, Fr. John M. Onderko was removed from public ministry after he was accused of sexually abusing a minor in approximately 1963. The Diocese of Peoria deemed the allegation credible. Fr. Onderko is included in the Diocese of Peoria’s list of “Priests Removed from Ministry Due to Allegations of Abuse of a Minor.” His whereabouts, status as a priest, and whether he has access to children are unknown.