Dr. Simone Gauthey Dailey, 49, an associate professor of French at Georgetown University, was electrocuted July 18 at her villa near Marbella, Spain, friends here reported yesterday.

They said they were informed by her husband, retired Army Col. Gerald M. Dailey, that Dr. Dailey was attempting to fix a lamp next to the swimming pool of their summer home when the accident occurred.

Dr. Dailey had been an instructor at Georgetown since 1967. She also was associated with the Cultural Affairs Department of the French Foreign Office but had been on leave for some time. She was fluent in five languages.

Born in Oran, Algeria, Dr. Dailey studied at the University of Algeria, the University of Montpellier and of Aixen Provence in France and the Sorbonne in Paris.

She taught the French language and literature in Tunis, Tunisia, and Brazzaville, the Congo, before going to Saigon in 1962.She met Col. Dailey there.

Dr. Dailey came to this country as a Fulbright teacher at Dartmouth College in 1964. She also participated in summer Peace Corps programs there and in Quebec, Canada. She was an instructor at the University of Massachusetts at Amherst, Tulane University in Louisiana and Florida Atlantic University in Boca Raton before coming here.

She taught French to wives of members of the diplomatic corps in Washington and to members of Welcome to Washington.

In addition to her husband, of the home in McLean, she is survived by three stepdaughters, Sue Dailey Oehrle, of Bryn Mawr, Pa., Saillie Dailey Caiecedo, of Cali, Colombia, and Jeanne Dailey, of Lexington, Ky.