People : Lara Irwin to Lydia Irwin
Larry Irwin 14 people
Laura Irwin 25 people
Laurel Irwin 2 people
Lauren Irwin 10 people
Laurene Irwin 2 people
Laurie Irwin 7 people
Lawrence Irwin 9 people
Lea Irwin 4 people
Leah Irwin 4 people
Lee Irwin 10 people
Leesa Irwin 3 people
Leigh Irwin 5 people
Leland Irwin 3 people
Lena Irwin 3 people
Leonard Irwin 2 people
Leslie Irwin 8 people
Lester Irwin 2 people
Lewellyn Irwin 3 people
Lillian Irwin 6 people
Linda Irwin 50 people
Lindsay Irwin 4 people
Lindsey Irwin 6 people
Lindy Irwin 2 people
Lisa Irwin 20 people
Lloyd Irwin 5 people
Lois Irwin 6 people
Lola Irwin 2 people
Loraine Irwin 2 people
Loren Irwin 4 people
Lori Irwin 15 people
Lorraine Irwin 5 people
Lorrie Irwin 2 people
Louis Irwin 4 people
Louise Irwin 3 people
Lucas Irwin 3 people
Lucia Irwin 2 people
Lucille Irwin 2 people
Lucinda Irwin 3 people