The Roman Catholic Community of
Most Holy Trinity – St. Mary

Williamsburg, Brooklyn, New York

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 General Information


Listed on this page is information about who we are, how to get in touch with us, our office hours and a brief listing of our weekly activities.  Please consult the other pages of our site for more specific information.



Most Holy Trinity – St. Mary
138 Montrose Avenue
Brooklyn, New York  11206

The Parish Offices are located at 153-B Johnson Avenue (the back door of the church)

If you wish to contact us please send email to

Phone Numbers:

Parish Office and Friary:    718-384-0215
FAX:    718-384-3030
Religious Education Office:    718-486-6276
Human Service Center:    718-388-3176

Parish Office Hours:

Monday through Friday, 9:00 A.M. until 4:00 P.M.

Limited office assistance after normal hours

Parish Staff Members:

Fr. Pedro DeOliviera, OFM Conv., Pastor
Fr. Justin Biase, OFM Conv., Parochial Vicar
Fr. Mietek Wilk, OFM Conv., Parochial Vicar

Sr. Carol Woods, sfma,

Director of Religious Education
Ms. Luz Deras
Parish Secretary
Ms. Rosemary Carter, Organist
Ms. Halina Kalitka, Associate Organist
Mr. Carlos Fernando Rojas, Associate Organist
Ms. Millie TorresCantor

Sr. Sofia Lee, sfma
Ms. Dinora Espinal
Mrs. Flor Vega
Staff Members, Trinity Human Service Center (THSC)

Weekly Activities:

--The church building is open daily from 7:30 A.M. until 6:00 P.M. for private prayer and devotion--


7:00 P.M.  Maria Madre del Redentor Prayer Group (in Spanish) 
7:30 P.M.  Liturgy Committee (third Monday of the month) 
7:30 P.M.  Parish Council (last Monday of the month)


7:00 P.M.  Legion of Mary (in Spanish)


6:00 P.M. Holy Hour
8:00 P.M.  Cursillo (in Spanish)


11:15 A.M. until 6:00 P.M.  Adoration of the Blessed Sacrament (first Friday of the month)
6:00 P.M. until 7:00 P.M.
  Eucharistic Holy Hour with Evening Prayer (first Friday of the month)


10:00 A.M.  Narcotics Anonymous (in Center)


10:30 A.M.  Religious Education Classes

3:00 P.M.  Ecuadorian Volleyball Club




Click on the link below to open the parish registration form (for new parishioners).

The file is in Adobe PDF format. You will need Acrobat Reader to view it. If you have trouble opening the file, please download the Acrobat program by clicking this icon: 


If you wish to register as a member of Most Holy Trinity – St. Mary,
 you may download, print, fill out and send the registration form to our parish office.


Are you searching for sacramental or cemetery records?

CURRENT SACRAMENTAL RECORDS: If you are in need of a copy of a baptismal, first communion or confirmation record for yourself or your child, please send your full name (and/or your child's full name), birth date, the dates of the sacraments received (if known), and parents' full names along with a suggested donation of five dollars each to the attention of our parish secretary, Ms. Lucy Deras (see the address at the top of this page).

HISTORICAL SACRAMENTAL RECORDS:  If you wish to obtain copies of a baptismal, first communion or confirmation records for genealogical purposes (i.e., you are searching your family history), please send as much information as is possible about the individuals you are researching (i.e., the full names of each individual, their birth dates, the dates of the sacraments received (if known), and their parents' full names (if known).  There is a required fee of ten dollars for each individual genealogical record for which we are asked to search.  Please send inquiries to the attention of our parish secretary, Ms. Lucy Deras (see the address at the top of this page).  We can make no guarantee that the records will be found as requested, and we need to inform you that such searches cannot be done immediately.  These searches are done on a "first come, first serve" basis and can only be done when we have the time and the personnel available to complete them.  Please include your address and phone number so that we can mail you the requested historical records and/or call you if there is a need for more information.

CEMETERY RECORDS:  Our parish cemeteries (Most Holy Trinity Cemetery, Brooklyn, NY and Trinity Cemetery, Amityville, Long Island, NY) are now under the care of Catholic Cemeteries of the Roman Catholic Diocese of Brooklyn.  Please direct all inquiries to: Rev. Msgr. Michael J. Reid, Diocesan Director of Cemeteries, 80-01 Metropolitan Avenue, Middle Village, New York 11379, Telephone: 718-326-4888, Fax: 718-326-4105.  We do not maintain any burial or cemetery records in our parish office.


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If you wish to contact us please send email to


Last Updated: Tuesday, January 8, 2013 at 11:11 AM

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