Mary Catherine Marshall

August 30, 1955 – December 29, 2025

Mary Catherine “Cathy” Marshall, passed away on December 29, 2025, surrounded by her family.

Born on August 30, 1955, in Oak Ridge, Tennessee, Cathy was the beloved daughter of Nita and Ed Marshall. She was the third of four daughters and grew up rooted in faith, family and service – values that would guide her entire life.

Cathy is a graduate of St. Mary’s Catholic School, Oak Ridge and Knoxville Catholic High School.

She joined the Dominican Sisters of Saint Cecilia in Nashville, Tennessee, where she served in numerous mission communities for 19 years. After serving the religious community, Cathy continued her mission as a lay educator and leader. She served at Maryvale Preparatory School in Maryland and Saint Elizabeth’s Catholic Elementary School in Baltimore City. She went on to make history as the first principal of Archbishop Borders School to establish a dual-language program that became a model of inclusion and excellence.

Cathy moved to Florida in 2015 and served as principal of St. John Vianney Catholic School. There she established a dual-language program that continues to flourish today.

Cathy is preceded in death by her parents Ed and Nita Marshall.

Cathy is survived by her three sisters, Susan (Paul) Vance, Becky (Kirk) Amerson and Anne (Michael) Sams. Her beloved nieces and nephews – Matt and Kelley Amerson, Pete and Tim Vance and Erin Rudolph. Her great nieces and nephews Caroline and Aly Cotton, Wyatt Vance, James Premo and Lorelei Rudolph, her great great niece and nephew Emma and Colton Brubach and her cherished Florida family, who held her close in prayer and love.

The family would like to thank AdventHealth Home Hospice and AdventHealth Hospice Center for the exceptional care given to Cathy in her final days, with a special thank you to nurse Jessica.

Following visitation and Mass of Christian burial in Florida, Cathy will return home to Oak Ridge for burial.

The Memorial Service in Oak Ridge, Tennessee will be on Sunday, January 11, 2026 at Mott McKamey Funeral Home.

Visitation is from 12:00 to 1:00 pm.

Memorial Service at 1:00 pm followed by burial at Anderson Memorial Gardens.

A reception will follow at Cathy’s family home.

In lieu of flowers donations may be made to American Cancer Society or American Diabetes Association.