People : Rosendo Irwin to Stephaie Irwin
Ross Irwin 6 people
Roy Irwin 4 people
Ruby Irwin 3 people
Russ Irwin 3 people
Russell Irwin 7 people
Ruth Irwin 13 people
Ryan Irwin 18 people
Ryann Irwin 2 people
Sabrina Irwin 2 people
Sally Irwin 3 people
Samantha Irwin 11 people
Samuel Irwin 14 people
Sandra Irwin 15 people
Sandy Irwin 6 people
Sara Irwin 5 people
Sarah Irwin 16 people
Scott Irwin 44 people
Sean Irwin 10 people
Seth Irwin 5 people
Shana Irwin 2 people
Shane Irwin 3 people
Shannon Irwin 5 people
Sharon Irwin 19 people
Shaun Irwin 2 people
Shawn Irwin 11 people
Sheila Irwin 4 people
Shelby Irwin 3 people
Sheldon Irwin 2 people
Shelley Irwin 3 people
Shellie Irwin 3 people
Shelly Irwin 2 people
Sheridan Irwin 2 people
Sherri Irwin 4 people
Sherry Irwin 7 people
Sheryl Irwin 6 people
Shirley Irwin 14 people
Sierra Irwin 2 people
Sonia Irwin 2 people
Sonya Irwin 2 people
Spencer Irwin 2 people
Stacey Irwin 4 people
Staci Irwin 4 people
Stacie Irwin 2 people
Stacy Irwin 12 people
Stan Irwin 2 people
Stanley Irwin 6 people
Stefanie Irwin 2 people