Our Lady of Mercy Catholic Church
Detroit, Michigan
Last updated June 2026
1,000-5,000
estimated members
This is likely one of 10 Catholic congregations in St. Clair County, MI. Catholic accounts for 42% of the county's 129 congregations.
This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.
Nearby churches in Detroit
River City Vineyard
0.3 miVineyard
260 Mitton St N
Bridges
1.1 miNon-Denominational
1101 4th St
St. John’s United Church of Christ
1.3 miChurch of Christ
710 Pine St
Port Huron First United Methodist Church
1.4 miMethodist
828 Lapeer Ave
St Martin Lutheran Church
1.5 miLutheran
805 Chestnut St
New Covenant Church of GOD
1.5 miChurch of God
903 Court St