When the Playboy Club at 28 S. Light St., opened in 1964, Mrs. Farrell worked there as "Bunny Mother," caring for the Playboy Bunnies and making sure that club rules regarding fraternization with guests by the Bunnies were observed.
Mrs. Farrell later worked as an account manager and advertising placement manager for Zeinog Advertising in Baltimore.
In 1976, Mrs. Farrell established Rosie's Posies East, which furnished Renaissance-era garlands for re-enactors to wear in their hair.
"She catered to festivals in Maryland, New York, Texas, Georgia and Toronto, Canada," said her daughter, Elizabeth Wells of Boise, Idaho.
Mrs. Farrell had not retired at her death.
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She collected figurines and other forms of art, and was a world traveler.
"She had visited Russia five times, … traveled to Turkey, Greece and Egypt, and rented a car and drove through Europe with a friend," her daughter said.
Her husband of 25 years, Robert L. Farrell, who had been manager of the Bowman Restaurant, died in 1985.
A private memorial gathering was held Thursday at her Towson home.
In addition to her daughter, survivors include two brothers, Joseph Echelmeier of Grover Beach, Calif., and Bernie Echelmeier of Ardmore, Pa.; a sister, Rosie Echelmeier of San Rafael, Calif.; and three grandchildren.