Mary Florence (McCarthy) O'Brien

August 3, 1930 ~ November 28, 2021 (age 91)


Mary McCarthy O'Brien passed away peacefully on November 28th, 2021 at age 91.

Born August 3rd, 1930, in Madison, WI, Mary was the only child to Guy and Florence McCarthy. When Mary was very young, her family moved back to Stillwater, MN.
Mary attended the College of St. Catherine in St. Paul, MN. After college she worked for Northern State Power Co. in Stillwater as an executive assistant. She married Joseph G. O'Brien on May 21st, 1960 at St. Michael's Church, where they were lifelong members.

Mary will be missed by her family and many friends. All who knew her will remember her as a gracious lady with an unmatched wit. Mary was a pillar of faith for her family. Her legacy will forever live on in our hearts.

Mary's greatest source of happiness was her family. She is survived by her six children, daughters, Mary O'Brien (Steve) Black, Colleen O'Brien (Tom Peterson), Ann O'Brien (Todd) Butterfield; sons, Joseph Jr., Daniel (Mary Kay) and David; nine grandchildren; ten great-grandchildren; constant companion Charlie, the wonder dog.

A Mass of Christian Burial will be held at 10:30 am on Thursday, December 2, 2021
at the Church of St. Michael, 611 S Third Street, Stillwater, MN 55082. Visitation one hour prior to the Mass at the church. In lieu of flowers, memorials preferred to Lakeview Hospice.

Pray for me as I
Will for thee that
We may merrily
Meet in heaven.

To send flowers to the family or plant a tree in memory of Mary Florence (McCarthy) O'Brien, please visit our floral store.

Memorial Tree
A Memorial Tree was planted for Mary

We are deeply sorry for your loss - the staff at Simonet Funeral Home

Join in honoring their life - plant a memorial tree


December 2, 2021

9:30 AM to 10:30 AM
Church of Saint Michael
611 S. 3rd St.
Stillwater, MN 55082

Mass of Christian Burial
December 2, 2021

10:30 AM
Church of Saint Michael
611 S. 3rd St.
Stillwater, MN 55082

Graveside Service
December 2, 2021

11:45 AM
Saint Michael's Cemetery
700 Fifth Avenue North
Bayport, MN 55003

© 2022 Simonet Funeral Home. All Rights Reserved. Funeral Home website by CFS & TA | Terms of Use | Privacy Policy | Accessibility