Mary Carroll

January 17, 1942 ~ March 21, 2021 (age 79)


Mary Ellen Carroll, 79 of LaPlata, MD passed away on March 21, 2021 at her home.

Mary Ellen was born on January 17, 1942 in Hughesville, MD to the late Joseph and Catherine Koller Therres. She is also predeceased by her husband, John “Jack” Carroll; brothers, Lawrence Therres, Bernard Therres, Edward Therres, Robert Therres and Paul Therres; sisters, Margaret Welch and Anna Stonestreet.

She is survived by her daughters, Tracy Carroll and Jill Carroll; sister, Helen Scott; grandchildren, Joshua Carroll, Ashley Morris and Josie Morris.

Mary Ellen worked as a secretary for several businesses in the county, eventually retiring from the Charles County Board of Education. She loved animals, and shared her home with many dogs and cats throughout the years. She and Jack helped start the Charles County Women’s Softball League; she played many years for the LaPlata Reds, with Jack as the manager.

The family will receive friends on Monday April 5, 2021 from 10 AM until her Memorial Service at 11 AM at the Arehart-Echols Funeral Home (211 St. Mary’s Ave. LaPlata, MD 20646) Interment to follow at the Trinity Memorial Gardens (3221 Mattawoman Beantown Rd. Waldorf, MD 20601)

Due to COVID 19 guidelines face coverings must be worn and social distancing should be followed.

Memorial donations may be made to the Humane Society of Charles County or the Parkinson’s Foundation.

Online condolences to the family may be made at

To send flowers to the family or plant a tree in memory of Mary Carroll, please visit our floral store.


April 5, 2021

10:00 AM to 11:00 AM
Arehart-Echols Funeral Home, P.A.

Memorial Service
April 5, 2021

11:00 AM to 12:00 PM
Arehart-Echols Funeral Home, P.A.

Interment following funeral service
April 5, 2021

Trinity Memorial Gardens
3221 Mattawoman Beantown Rd.
Waldorf, MD 20604

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