Our Lady of Mercy Catholic Church
McAllen, Texas
Address322 S Vermont Ave
DenominationCatholic
Phone+1 956-565-1141
Emailolm@cdob.org, olm@cdob.org.
Services
Worship
Sat5:00 PM
Sun7:00 AM, 9:00 AM, 11:00 AM, 1:00 PM
Tue7:00 AM
Thu7:00 AM
Communion Service
Mon7:00 AM
Wed6:30 PM
LanguagesSpanish
Last updated May 2026
~6,992
estimated members
Based on ARDA 2020 data, this is likely one of 58 Catholic congregations in Hidalgo County, TX, with an average size of approximately 6,992 members. Catholic accounts for 76% of the county's 594 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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