Namesakes
Fictional Characters from Television:
1 character
Katherine Mayfair (a.k.a. Irma) 2004 Desperate Housewives 
Harry Potter Characters:
1 character
Irma Pince
Hurricanes and Tropical Storms:
1 hurricane, 1 storm
Storm Irma 1978
Hurricane Irma 2017
Notable Actors and Actresses:
1 actress
Irma P. Hall 1935-
Notable Athletes:
1 gymnastics
(gymnastics) Irma Haubold 1908-1996
Olympic Medalists:
1 bronze/silver
(bronze/silver) Irma Heijting-Schuhmacher 1948; 1952 swimming - 4x100 m freestyle relay
Title Characters:
1 musical
(musical) Irma La Douce 1956 Irma La Douce