Most Holy Trinity Roman Catholic Church

Most Holy Trinity Roman Catholic Church Most Holy Trinity Church is a historic Roman Catholic church in the Archdiocese of New York, located on the Boston Post Road in Mamaroneck.

The church has ample on street parking as well as its own parking lot to meet all possible demands. Most Holy Trinity Church began as St. Thomas Church, built in 1867. It was a mission of Blessed Sacrament church in New Rochelle N.Y..The mission became a parish in 1874, then the present church was built by 1885 and renamed Most Holy Trinity. One of our early pastors, Rev. Isidore Meister, was resp

onsible for the construction of a new stone church building. Parishioners helped collect and save money and the project was completed in 1886. The new building was dedicated on Sunday, August 15, 1886 by Archbishop Corrigan. Since then, succeeding pastors worked to add on to the parish with a school, convent, rectory and gymnasium.

Thank everyone for coming out this weekend and supporting out church. Let's pray for our church's next 140 years!❤️❤️❤️
08/17/2026

Thank everyone for coming out this weekend and supporting out church. Let's pray for our church's next 140 years!❤️❤️❤️

Here is a historic newspaper article from 1886 announcing the consecration of our church (thanks to Mike Meaney for the ...
08/11/2026

Here is a historic newspaper article from 1886 announcing the consecration of our church (thanks to Mike Meaney for the find).

Also, please remember to RSVP to our event. We need everyone to make it for this historic occasion: https://www.facebook.com/events/1362038582099224

Some very important anniversaries this year. Happy 250th to the Unites States of America! Don't forget our 140th this co...
07/04/2026

Some very important anniversaries this year. Happy 250th to the Unites States of America!
Don't forget our 140th this coming August 15th!
God Bless!

Thank everyone for coming out and making yesterday such a success. It couldn't be done without your continued support!!❤...
05/31/2026

Thank everyone for coming out and making yesterday such a success. It couldn't be done without your continued support!!❤️❤️❤️❤️
Remember to mark your calendars for August 15th. It's our Church's 140th anniversary. Lets make it the biggest and best yet!!!

05/15/2026
Rest in peace Fr. Villa
04/19/2026

Rest in peace Fr. Villa

Celebrate the life of Fr. James Villa, OFM, leave a kind word or memory and get funeral service information care of The Abbey Funeral Directors.

Happy Easter!
04/05/2026

Happy Easter!

Address

320 E Boston Post Road
Mamaroneck, NY
10543

Website

,_Mamaroneck

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