It's one that was /is both very popular, and very prolific ! I'll bet it has been "passed along", more than any other iris .
Lent Williamson would be a good one to check, also...it's another oldie that was really popular.
i UNderstand from neighbors, the woman who lived here transplanted lots fo plants from her mothers garden.
Polly knew it was an historic but we never id'd it.
The second one looks a bit like "Fashion Diva" which was introduced in 2009 but it's hard to tell from the picture and doesn't quite look exactly the same.