oneties

Etymology

one + -ties (“plural of -ty”), in imitation of the names of other decades (twenties, thirties, etc)

noun

1. (nonce word) The second decade of a century: the 1910s, the 2010s, etc. The tens.
   Our readers — and contributors — are apt to elect a good deal according to years. The seventies and eighties, we may suppose, are concerned for the large educational and cultural interests of their Alma Mater; the nineties are deep in the practical and business activities; the noughties are not naughty, but still young enough to sport a fantastic costume at reunion and let the college wag as it will; the oneties are the really wise as to what the college ought to be, especially on its athletic side, but as contributors modest. 1914, Amherst College, “Amherst graduates' quarterly”, in (Please provide the book title or journal name), volume 4, page 6
   Marking its thirty-fifth anniversary, the Class of 1910 University College, first of the "Oneties", held its seventh five-yearly reunion and the third under wartime conditions, during Commencement week. 1945, Alumni association, University of Toronto, “University of Toronto monthly”, in (Please provide the book title or journal name), volume 45, number 9, page 232