Henry Irwin Pesch goes by H.I.P..
Blair Irwin goes by Blair.
Julienne Irwin goes by Jules.
Irwin Fleischner went by Flick.
Irwin Bazelon went by Bud.
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 Vestine went by Sunflower.
Henry Mayers goes by Madness.