Traditional Catholic Life of

Prayer & Work

Traditional Religious Life & Education
Since 1976

Welcome to the Monastery!

You have arrived at the monastery of the Slaves of the Immaculate Heart of Mary of Saint Benedict Center in Still River, Massachusetts. The 100 acre complex of the Center serves as the base for the various evangelizing apostolates of the communities of Brothers MICM and Sisters MICM in the spirit of Saint Louis Marie de Montfort’s Total Consecration to Jesus through Mary. Enjoy your visit!

Brothers MICM group

The Brothers

The Brothers, Slaves of the Immaculate Heart of Mary  live a life of Total Consecration to Jesus through Mary

Confirmations at Immaculate Heart of Mary Chapel

The Chapel

Immaculate Heart of Mary Chapel is blessed to have the Latin Tridentine Mass daily and is open to the public.

Sisters MICM group

The Sisters

The Sisters, Slaves of the Immaculate Heart of Mary live a traditional active religious life of Total Consecration to Mary.

All public Masses have been suspended per Bishop McManus until further notice.
Please pray for an end to the Coronavirus.

Living Tradition

Immaculate Heart of Mary Chapel was built by the Brothers in 1976 and has been blessed to have the Latin Tridentine Mass offered daily on its altar.

The monastery chapel is open to the public.

News & Events

Honoring Mary Our Mother

Honoring Mary Our Mother

This May, ten of our Sisters were honored to perform a tribute to Mary at Saint Boniface Church, here in the Worcester Diocese. We are happy to be able to provide the video here for your inspiration and enjoyment during these last days of May! The 1-hour recorded...

April 2020 Newsletter

April 2020 Newsletter

The latest "From the Center" Newsletter has been printed and mailed from Mancipia Press! Despite the strange time we are living in, good things are still happening here at the monastery! In this issue you will meet our new novice, Sister Pia-Marie, who comes all the...

IHM Expansion Progress

IHM Expansion Progress

Slowly but surely, progress is being made on our IHM School Expansion project! Check out the latest video made by the Brothers MICM to enjoy some quick highlights of the project! Help speed along the work so we offer a Traditional Catholic Education to more souls by...

Christ is Risen!

Christ is Risen!

Christus resurrexit! Resurrexit vere! Alleluia! "O Death, where is your sting? O Hell, where is your victory? Christ is risen, and you are overthrown. Christ is risen, and the demons are fallen. Christ is risen, and the angels rejoice. Christ is risen, and life...

Your Prayer Intentions

Your Prayer Intentions

Dear Friends, The holiest week of the year has come. Palm Sunday, Holy Thursday, Good Friday, and Holy Saturday are meant to prepare us to receive the joy and graces that God wants to give us on Easter Sunday and during the entire Easter Season.  How one spends this...

Saint Josephine Bakhita Issue

Saint Josephine Bakhita Issue

​Mancipia Press just sent out the most recent issue of "From the Housetops Magazine" which is researched, written, published and printed right here on the monastery grounds! This issue features the tremendous story of Saint Josephine Bakhita ~ Flower of the African...

Living Devotion

We are dedicated to living and promoting Total Consecration to Jesus through Mary as written in Saint Louis Marie de Montfort’s classic work: True Devotion to Mary.

Our True Devotionals gift shop helps you….

Live Your Consecration

Saint Benedict Center
$79.95

Sterling Silver
True Devotion Bracelet

The Chains of Holy Slavery to Jesus through Mary for souls that have made their Total Consecration! 

$44.95

Sterling Silver
Ave Maria Pendant

A delicate piece of sterling silver jewelry that any Catholic woman devoted to Mary will love to wear!

$54.95

Sterling Silver
True Devotion Rings

Shop our exclusive True Devotion Rings for men and women! Designed by the Sisters and made of sterling silver. 

Saint benedict center

Authentically Catholic

“We never give more honor to Jesus than when we honor his Mother…” ~Saint Louis Marie de Montfort