Elenore Plaisted was born in Lincoln, Maine. She married C. Yarnell Abbott and lived for a time in Rose Valley, Moylan, Pennsylvania. She studied at the Pennsylvania Academy of the Fine Arts, the Philadelphia School of Design for Women, and in Paris before entering the Drexel Institute, where she studied with Howard Pyle in 1899.
Abbott exhibited her work at the Académie des Beaux Arts in Paris and the Pennsylvania Academy of the Fine Arts. She was a member of the Philadelphia Water Color Club, and the Plastic Club of Philadelphia.