Henry Irwin Pesch goes by H.I.P..
Blair Irwin goes by Blair.
Irwin Fleischner went by Flick.
Irwin Bazelon went by Bud.
Julienne Irwin goes by Jules.
Lance Irwin goes by Uncle Tuff.
Robert Clarence Irwin goes by Bob.
Kim Irwin Dildine goes by Chicken Man.
Henry Shipes went by Henry.
Henry Zavala goes by Henry.
Natalie Jean goes by Jean Irwin, and Nattie Jean.
Henry Mayers goes by Madness.
Henry Kulky went by Bomber.