Frank Da Cunha was born in Portugal as Francisco da Cunha. He studied at the University of Manchester Medical School and qualified MB ChB in 1906, MD in 1916 and DPH in 1922. He was an honorary surgeon at Altrincham General Hospital, and a general practitioner at Timperley, Cheshire. Da Cunha was honorary vice-consul for Portugal in Manchester for many years. He was the father of Francis da Cunha.