The year of birth is shown as 1877.
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSfn=Ella&GSiman=1&GScid=2275117&GRid=110295506&
John Hahn is buried in the same cemetery and would be the right age to be
Ella Hahn's father, but no proof here.
http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GSln=Hahn&GSiman=1&GScid=2275117&GRid=84631618&
John W Hahn