In 1925, Day began serving as the superintendent of Sheltering Arms in New York City. Founded in 1864, Sheltering Arms housed children whom others had abandoned or rejected because of
chronic illnesses or conditions. After Sheltering Arms merged with the New York Foster Home Service, Day assumed the role of associate director of the new organization. During her career, she presented at the National Conference of Social Work. In 1937, she presented a paper on evaluating a child's developmental progress in social welfare institutions. She emphasized preparing the child for transition to community life as a main goal. After retiring in 1945, Day supervised program activities at Sheltering Arms Children's Service. She organized a summer camp at
Bantam Lake (near
Morris, Connecticut) for children served by the agency. Day also helped run other homes for children. She served as assistant director of the
Brooklyn Home for Children in
Brooklyn, New York. She later served as resident director of the Preston House of the Girls Service League. ==References==