I do not see an Ellen or a Thomas O'Neill in the Nickey book. However I also have a Metzker book (Grandmother's side of the family) by the same author. My grandmother and grandfather Nickey were actually cousins, so there is some overlapping in the genealogy. There is a Thomas O'Neill in that book, but the dates, etc. do not match. It shows Thomas F. O'Neill of Delphos, Ohio as marrying a Mary H. Weible on 10/23/1889.