411 REFERENCE · Wiktionary
Indianian
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
From en Indiana ian.
Noun
A native or resident of the state of Indiana in the United States of America.
Usage notes
Formerly designated as the preferred term by the U.S. Government Printing Office Style Manual, this was replaced in the 2016 edition with Hoosier.Don't call them Indianians; they're Hoosiers
References
en American demonyms