John Allen Dunn 1802 VA TN

Looking for info pertaining to John Allen Dunn, b. 1802 VA, per 1850 White County TN census. Married to Catherine Lafever abt 1826, probably Wayne County, KY. Moved to White County, TN by 1830 to work in his Father-in-law. Andrew Lafever's pottery industry. Any inormation would be sincerely appreciated.