St. Catherine of Sienna - Formerly St. Vincent de Paul Church
Bay City, Michigan
Located in Bay City, Michigan, this Catholic parish was formerly known as St. Vincent de Paul Church and now operates under the name St. Catherine of Sienna. As a Catholic church, it serves the spiritual needs of the local community through the celebration of the Mass, the administration of the sacraments, and faith formation opportunities. The Catholic tradition emphasizes apostolic succession, the authority of Scripture and Sacred Tradition, and devotion to Mary and the saints. Visitors can expect a liturgical worship style centered on the Eucharist, also known as Holy Communion. The church welcomes both longtime members and newcomers seeking a place of worship within the Roman Catholic faith. The parish typically offers Mass schedules throughout the week and on weekends to accommodate the faithful in Bay City and surrounding areas.
Last updated May 2026
1,000-5,000
estimated members
This is likely one of 13 Catholic congregations in Bay County, MI. Catholic accounts for 50% of the county's 89 congregations.
This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.
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