S. Baring-Gould, The Lives of the Saints, Volume 03…
“ It is certain he was an Angle, and a native of Northumbria, and that he flourished in the 7th century, though Dempster wishes to claim him as a Scottish, and Colgan as an Irish, saint. The date 620 A.D. has been suggested as the probable time of Chad's birth.Bede tells us that S. Chad was a pupil of Aidan. That bishop required the young men who studied with him to spend much time in reading Holy Writ, and to learn by heart large portions of the Psalter, which they would require in their devotions. ”
