Talfan Davies was brought up in Gorseinon. During the 1930s Davies worked in London as a pharmacist before returning to Wales and settling in Swansea. He was the brother of Sir Alun Talfan Davies QC, with whom he founded the publishing company, Llyfrau'r Dryw (later succeeded by ).
Talfan Davies was raised in Gorseinon. In the 1930s, he worked as a pharmacist in London before returning to Wales and settling in Swansea. He was the brother of Sir Alun Talfan Davies QC, who together founded the publishing company Llyfrau'r Dryw (which later had a successor).