The Hearn family were important merchants in Callan in the early 19th C and one Michael Hearn registered his new bank on 24th August, 1801. He traded as The Callan Bank traded from 1801-7.
- At one time had 15,825 notes of values at under three guineas in circulation
Michal Hearn A Callan lease of 1839 and Griffith’s Valuation (Niall C.E.J. O’Brien)