Melva B. Galdo, 90, a retired social worker who worked primarily with Hispanic immigrants in Fairfax County, died Sept. 13 at her home in Alexandria.

She had cancer, said her daughter Maria Reiff.

Mrs. Galdo worked at Fairfax County’s Department of Family Services from 1978 to 1989. Before that, she had helped develop Bryant Alternative High School’s GED test preparation class for non-English speakers, her daughter said.

Melva Barrientos de Galdo was born in Santa Cruz, Bolivia. She assisted U.S. Peace Corps volunteers in the 1960s in Cochabamba, Bolivia. She moved to Alexandria in 1972 and became a U.S. citizen in 1980.

Mrs. Galdo received multiple service awards for her involvement in early learning development programs, including ones at Bryant Early Learning Center in Alexandria.

She was a member of the Association of Bolivian Women and the community group Hispanos Unidos in Virginia.

Her husband of 47 years, Luis Galdo Rosales, died in 1993.

Survivors include seven children, Magaly Hirst, Gloria Alvarez, Maria Galdo, Martha Fesko and Jose Galdos, all of Alexandria, Ana Galdo of Vienna and Maria Reiff of Burke; two brothers, Jaime Borda of Springfield and Lorgio Borda of Cochabamba; a sister, Maria Borda of Tysons; 12 grandchildren; and 12 great-grandchildren.

— Megan McDonough