1883

June 1883 — Founding as "The Third Society"

Fifteen rising seniors from the Yale Class of 1884, aided by members of the Class of 1883, established "The Third Society" — explicitly to counter the dominance of Skull and Bones and Scroll and Key.The effort was aided by more than 300 Yale College alumni and several Yale Law School faculty.
- Source: Wikipedia, "Wolf's Head Society" — en.wikipedia.org/wiki/Wolf%27s_Head_Society
- Quote: "Fifteen rising seniors from the Yale Class of 1884, with help from members of the Yale Class of 1883 who were considered publicly possible taps for the older societies, abetted the creation of The Third Society. The effort was aided by more than 300 Yale College alumni and a few Yale Law School faculty, in part to counter the dominance of the Skull and Bones Society in undergraduate and university affairs."

1850–1883 — Depositor Records and Test Books Created

The bank requires detailed identifying information from each depositor — address, birthplace, arrival date, ship, parents, siblings — recording it in "Test Books" that now constitute one of the richest genealogical archives for Irish emigration.
- Source: New York Public Library, Manuscripts and Archives Division, "Emigrant Savings Bank Records" — https://archives.nypl.org/mss/925
- Quote: "Many of the volumes in the collection are personal and family chronicles as well as records of banking transactions. Collectively these volumes rank with the richest sources to be found on either side of the Atlantic for the study of Irish emigration." — NYPL Archives