O'Connor, John
- Born: Cir 1855, Lancashire, Manchester, England
- Marriage (1): Pickering, Mary (Molly) on 6 Apr 1874 in Dodsworth Church, Yorkshire, England
- Died: 6 Nov 1912, Tyler, Clearfield, Pennsylvania
- Buried: Penfield Cemetery, Pennsylvania
John married Mary (Molly) Pickering, daughter of Joseph Pickering and Caroline Hampshire, on 6 Apr 1874 in Dodsworth Church, Yorkshire, England. (Mary (Molly) Pickering was born on 10 May 1858 in Dodworth, York, England, christened on 6 Jun 1858 in Dodworth, York, England, died on 16 May 1946 in Pittsburg, Allegheny, Pennsylvania and was buried in Oakmont Cemetry, Ridgeway, Pennsylvania.)
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