# St. Mary's Parish

> St. Mary's Parish, a Roman Catholic Church in Ottawa, ON at 100 Young St. See phone number, address and directions.

Canonical: https://canadianchurches.ca/church/st-marys-parish-ottawa
Last updated: 2026-10-30

Roman Catholic Church · Ottawa, ON

| Detail | Value |
| --- | --- |
| Denomination | [Roman Catholic Church](https://canadianchurches.ca/ontario/ottawa/roman-catholic-churches) |
| Address | 100 Young St, Ottawa, ON K1Y 3P7 |
| Phone | (613) 728-9811 |
| Website | [www.stmarysottawa.ca](https://www.stmarysottawa.ca) |

## Service times

St. Mary's Parish hasn't listed its service times here yet. Their website usually has them.

## Open hours

| Day | Hours |
| --- | --- |
| Monday | — |
| Tuesday | 9:30 am – 4 pm |
| Wednesday | 9:30 am – 4 pm |
| Thursday | 9:30 am – 4 pm |
| Friday | 9:30 am – 12 pm |
| Saturday | — |
| Sunday | — |

## More churches near St. Mary's Parish

- [Holy Korean Martyrs Parish (오타와 한인 순교자 성당)](https://canadianchurches.ca/church/holy-korean-martyrs-parish-ottawa) - 20 Fairmont Ave · (613) 237-5528 · Korean services
- [St. Francois d'Assise](https://canadianchurches.ca/church/st-francois-dassise-ottawa) - 20 Fairmont Ave · (613) 728-1983
- [Saint Anthony of Padua](https://canadianchurches.ca/church/saint-anthony-of-padua-ottawa) - 427 Booth St · (613) 236-2304
- [Queen of the Most Holy Rosary](https://canadianchurches.ca/church/queen-of-the-most-holy-rosary-ottawa) - 1153 Wellington St. W · (613) 728-4935
- [Renewed in Liturgy](https://canadianchurches.ca/church/renewed-in-liturgy-ottawa) - 20 grant street Ottawa. K1Y2W9 · (613) 355-6023
- [Saint Hyacinth Roman Catholic Polish Church](https://canadianchurches.ca/church/saint-hyacinth-roman-catholic-polish-church-ottawa) - 201 Lebreton St N · (613) 230-0804 · Polish services

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

## Related

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