On www (dot) omahahistory (dot)org (slash) genealogy (dot) html
there is a genealogy collection. On the left-hand side of the page is "Email an Archivist". Send them the info, for they may be able to help.
If you know her husband's name you might check
omahaobits (dot) wordpress (dot) com (slash) pe (dash) pe (slash)
If there is one, it might answer your question. I could only find Anna, but there are 4 that are listed under the husband's name.