s ▁first ▁US $ 1   b ill ion ▁bank . ▁ ▁The ▁bank ▁formed ▁the ▁first ▁dedicated ▁family ▁office ▁in ▁the ▁United ▁States ▁in ▁ 1 9 7 1 . ▁A ▁re organ ization ▁in ▁ 1 9 7 2 ▁led ▁to ▁the ▁bank ' s ▁name ▁changing ▁to ▁M ell on ▁Bank , ▁N . A . ▁and ▁the ▁formation ▁of ▁a ▁holding ▁company , ▁M ell on ▁National ▁Corporation . ▁ ▁M ell on ▁Bank ▁acquired ▁multiple ▁banks ▁and ▁financial ▁institutions ▁in ▁Pennsylvania ▁during ▁the ▁ 1 9 8 0 s ▁and ▁ 1 9 9 0 s . ▁In ▁ 1 9 9 2 , ▁M ell on ▁acquired ▁ 5 4 ▁branch ▁offices ▁of ▁Philadelphia ▁Sav ings ▁Fund ▁Society , ▁the ▁first ▁sav ings ▁bank ▁in ▁the ▁United ▁States , ▁founded ▁in ▁ 1 8 1 9 . ▁ ▁In ▁ 1 9 9 3 , ▁M ell on ▁acquired ▁The ▁Boston ▁Company ▁from ▁American ▁Express ▁and ▁AF CO ▁Cred it ▁Corporation ▁from ▁The ▁Cont inental ▁Corporation . ▁The ▁following ▁year , ▁M ell on ▁merged ▁with ▁the ▁D rey f us ▁Corporation , ▁bringing ▁its ▁mut ual ▁funds ▁under ▁its ▁um bre lla . ▁In ▁ 1 9 9 9 , ▁M ell on ▁Bank ▁Corporation ▁became ▁M ell on ▁Fin an cial ▁Corporation . ▁Two ▁years ▁later , ▁it ▁ex ited ▁the ▁ret ail ▁bank ing ▁business ▁by ▁s elling ▁its ▁assets ▁and ▁ret ail ▁bank ▁branches ▁to ▁Cit iz ens ▁Fin an cial ▁Group .