Reproduces selected records of the Emigrant Savings Bank, particularly records pertaining to the Irish Emigrant Society and data about the bank's depositors and borrowers. Irish Emigrant Society records, 1841-1933, include minutes of the board of trustees and finance committee, and an account ledger. Bank records contain information about deposit accounts, real estate, buildings, and investments. Society and bank records document the social history of Irish immigrants on either side of the Atlantic, with occasional references to German and French immigrants. Deposit accounts often contain detailed personal and genealogical information about individual depositors.