# St. Gregory the Great Catholic Church

> St. Gregory the Great Catholic Church, a Roman Catholic Church in Oshawa, ON at 214 Simcoe St N. See phone number, address and directions.

Canonical: https://canadianchurches.ca/church/st-gregory-the-great-catholic-church-oshawa
Last updated: 2026-10-30

Roman Catholic Church · Oshawa, ON

| Detail | Value |
| --- | --- |
| Denomination | [Roman Catholic Church](https://canadianchurches.ca/ontario/oshawa/roman-catholic-churches) |
| Address | 214 Simcoe St N, Oshawa, ON L1G 4S9 |
| Phone | (905) 723-8141 |
| Website | [stgregorythegreat.archtoronto.org](https://stgregorythegreat.archtoronto.org) |

## Service times

St. Gregory the Great Catholic Church hasn't listed its service times here yet. Their website usually has them.

## Open hours

No open hours on file. See service times.

## More churches near St. Gregory the Great Catholic Church

- [Holy Cross Roman Catholic Church](https://canadianchurches.ca/church/holy-cross-roman-catholic-church-oshawa) - 373 Simcoe St S · (905) 723-5259
- [St. Mary of the People](https://canadianchurches.ca/church/st-mary-of-the-people-oshawa) - 570 Marion Ave · (905) 728-2212
- [St. Hedwig Parish](https://canadianchurches.ca/church/st-hedwig-parish-oshawa) - 411 Olive Ave · (905) 576-0434
- [St Gertrude's Parish, Oshawa](https://canadianchurches.ca/church/st-gertrudes-parish-oshawa) - 690 King St E · (905) 433-0828
- [Protection Of The Mother Of God Catholic Church Slovak](https://canadianchurches.ca/church/protection-of-the-mother-of-god-catholic-church-slovak-oshawa) - 464 Ritson Rd S · (905) 245-0629
- [Paroisse Assomption de Notre Dame](https://canadianchurches.ca/church/paroisse-assomption-de-notre-dame-oshawa) - 384 Hillside Ave · (905) 576-1706

Compiled from public listings and the church's own website. Last checked October 2026.

## Related

- [Churches in Oshawa, ON](https://canadianchurches.ca/ontario/oshawa)
- [Roman Catholic Churches in Oshawa, ON](https://canadianchurches.ca/ontario/oshawa/roman-catholic-churches)