MRCS LRCP Lond 1927.
Clegg studied at Manchester High School for Girls and the University of Manchester. Her father was a doctor, as were her sisters and husband. After qualifying, Clegg held junior positions at St Mary's Hospital Manchester and MRI before working in general practice in Macclesfield. Clegg was a fellow of Manchester Medical Society . She was married to Sydney Fletcher Clegg, also a Manchester doctor.