Saint Margaret Mary Roman Catholic Church
Oshkosh, Wisconsin
DenominationCatholic
Phone(920) 729-4560
Emailsmmneenah@smcatholicschools.org
Services
Sat5:00 PM
Sun7:30 AM, 9:30 AM
Tue5:15 PM
Thu8:05 AM
Fri8:05 AM
Last updated May 2026
~3,225
estimated members
Based on ARDA 2020 data, this is likely one of 10 Catholic congregations in Winnebago County, WI, with an average size of approximately 3,225 members. Catholic accounts for 42% of the county's 140 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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