The method of selecting Irrigation Festival Royalty has changed over the year. They are currently selected during the Royalty Scholarship Pageant.
Note: The list below is a work in progress. The names listed below are intended to be first name maiden name and then married name(s) in parenthesis. If you have updates to this list please email info@irrigationfestival.com.
| Year | Queen | Royalty Court | Royalty Court | Royalty Court |
| 1908 | Gladys Long (Rice) (Rivett) | |||
| 1909-1920 | Unknown | |||
| 1921 | Beula Larsen (Lane) | |||
| 1922 | Gladys Larkin (Howell) (Tucker) | |||
| 1923 | Kathryn Owens (Jessop) | |||
| 1924 | Esther Marshall (Hansen) | |||
| 1925 | Rose Sofie (Beham) | |||
| 1926 | Mable Almaden (Russell) | |||
| 1927 | Dorothy Delany (Hendrickson) | |||
| 1928 | Eleanor Ramalia | |||
| 1929 | Dorothy Brook (Taylor) | |||
| 1930 | Francis Miller (Fisher) | |||
| 1931 | Unknown | |||
| 1932 | Althea Whitney (Wood) | |||
| 1933 | Joy Robb (Konopaski) | |||
| 1934 | Eileen Olsen (Reposa) | |||
| 1935 | Kate Duncan (Schumacher) | |||
| 1936 | Fern Nelson (Dawley) | |||
| 1937 | Lois Belt (Newman) | |||
| 1938 | Marion Benson (Norman) | |||
| 1939 | Dorothy Bell (Harkleroad) | |||
| 1940 | Eliane Ahivers (Stone) | |||
| 1941 | Genevieve Sprague (Schmuck) | |||
| 1942 | War year – no royalty | |||
| 1943 | Zobell Caughron (Mathews) | |||
| 1944 | Doris Heaton (Dryke) | |||
| 1945 | Donna Bell (Robbins) | |||
| 1946 | Gloria Benson | |||
| 1947 | Norma Randall (Allen) | Duke David McDaniels Shirley Cays | Bonnie Robb | Marilyn Fedler Myrna Cameron |
| 1948 | Doreen Brittain (Hamilton) | Myrna Cameron (Maples) | ||
| 1949 | Bonnie Robb (McInnes) | Marilyn Alton | Wanda Cameron | Marilyn Fiddler Anna Markley |
| 1950 | Joanne Brittain (Campbell) | Phyllis Messenger | Marilyn Fiddler | Myrna Cameron Patricia Rogers |
| 1951 | Doris Eshom (Dunlap) | Myrna Cameron | Shirley Emmert | Rena Schenck Kathleen Priest |
| 1952 | Kay Bower (Randall) | Betty Ellis (Kettle) | Delores McLane | Jr Attendant Barbara Beverage Sophomore Attendant Phyllis Bower |
| 1953 | Barbara Beverage (Andrew) | Shirley Emmert (Darnell) | Jr Attendant Judy Evanson (Markley) | Sophomore Attendant Sandra Cays Alice Livingston |
| 1954 | Phyllis Bower (Hallberg) | Judy Evanson (Markley) | Jean Stone | Jr Attendant Patricia Haggerty Sophomore Attendant Marsha Brown |
| 1955 | Donna Joy (Ballard) | Patricia Haggerty | Shirley Strickland | Sally Sue Oats Myrna Mantle |
| 1956 | Diane Hudson (Uvila) | Shirle Cameron | Myrna Mantle | |
| 1957 | Barbara Logsdon (Grove) | Beverly Mersereau | Donna Weiland | |
| 1958 | Rosy Cays (Huls) | Sandra Keeting | Sharon Weed | |
| 1959 | Janice Schmuck (Smith) | Hazel Messenger | Kay Thompson | |
| 1960 | Sally Brinks | Sheryl Mesereau | Dee Dee Rogers | |
| 1961 | Paula Cassalery (Nelson) | |||
| 1962 | Marta Livingston (Estes) | |||
| 1963 | Judy Sherk (Bromell) | |||
| 1964 | Bonnie Johnson (Cassidy) | Loxie Gradillas (Kinnaman) | ||
| 1965 | Pamela Ward (Roberson) | |||
| 1966 | Jill McDaniel (Blake) | |||
| 1967 | Sherry Wood | |||
| 1968 | Kathy Curren (Rogers) | |||
| 1969 | Celeste Kardonsky | Trudi Gault-Hawley | ||
| 1970 | Kathy Rue (Daniels) | Carolyn Hamilton | Christy Handley | |
| 1971 | Carla Handley | |||
| 1972 | Christy Blank (Stockman) | Cheryl Watters (Johnson) | Patsy (Adams) | |
| 1973 | Vicki Hunt | Cindy Thomsen (Bacon) | ||
| 1974 | Joan Brownlee | |||
| 1975 | Kerri Pearson (Kalbfleisch) | |||
| 1976 | Sheri Holman | |||
| 1977 | Tracie Sofie | Tammy Gitchel-Wooldridge | ||
| 1978 | Kathi Good (Callahan) | |||
| 1979 | Leslie Leach (Barstow) | |||
| 1980 | Mary Dee Enges (Maas) | |||
| 1981 | Sonja Frick (Bittner) | Donna Meyer (Nichols) | Serena Barrell Norton | Kristen Raftis (Meyer) |
| 1982 | Robin Robinson (Hall) | |||
| 1983 | Beth McHugh | Linda Banks | ||
| 1984 | Lynn Foster (Hornback) | Dena Stuerhoff (Jones) | Samantha Piccio (Carpenter) | |
| 1985 | Lyn Griffith (Sherry) | Julia Anderson | Sarah Watkins | Heather Tenneson |
| 1986 | Darcy Meeks (Lamb) | Penny Osborne | Dominique Greco | Hang La |
| 1987 | Gia Snyder (Hemmen) | Michelle Matheny (Lee) | Lynee Brown | Caryn DeChant (Little) |
| 1988 | Piper Donnelly (Somme) | Judy Tollefson | Jennifer Proudfoot | Mary Perez (Fuentes) |
| 1989 | Jeffie Lou Jackson (Thorn) | Alicia Medeiros (Hanna) | Jode Smith (Beauvais) | |
| 1990 | Kari Cassidy (Dierck) | Danielle Cauffman (Patterson) | Kim Keith (Degarimore) | |
| 1991 | Alicia Gardner (Scofield) | Vicie Heintz (Copeland) | Jennifer Lotzgesell | Tiffany Perkins |
| 1992 | Julianne Villella (Coonts) | Anita Straker (Reynolds) | Lara Sallada | Kim (Newell) |
| 1993 | Monica Hope (Stamper) | Molly Bentley | Rebecca Horst | Laura Childers |
| 1994 | Molly O’Brien (Sweeney) | Vanessa Schmidt (Williams) | Heather Hughes (Galloway) | Ashlie Thompson Colleen Erickson |
| 1995 | Cynthia Anderson (David) | Kim McHugh | Pauline Sande (Hedgpeth) | Marjorie Hummell (de la Pena) |
| 1996 | Brooke Kennedy (Mouzakis) | Kindryn Welch (Leiter) | Karla Siqueiros (Williams) | |
| 1997 | Amanda Bacon | Melissa Short (McHugh) | Stephanie Anderson (Aldrich) | Lori Coffin (Wadsworth) |
| 1998 | Marie Keever (Elias) | Tansey Allen | Emily Morse (Bennett) | Sarah Campbell |
| 1999 | Charity Kinsella (Moore) | |||
| 2000 | Alison Bowers (Lloyd) | |||
| 2001 | Joelle Price | Gioia Roldan-Shaw | Alicia Apple (Hinkle) | Brittney Ohmert (Fisher) |
| 2002 | Jennifer Horton | Maggie Hooker (Bettger) | Jennifer Lamb (Stelmekah) | Cortney Obregon (Sedge) |
| 2003 | Leah Stites Brown | Kelsey Meyer | Julie Mullikan | Brittnie Obregon |
| 2004 | Katie Gammill | |||
| 2005 | Jennifer Gold | Jessica Horton | Bobby Gunn (Carver) | Whitney Bigger (Okhin) |
| 2006 | Kim Miles | |||
| 2007 | Janaye Birkland | Amanda Cerutti | Carolina Garcia | Rebekah Harasick |
| 2008 | Jennifer Lancheros (Gillis) | Jenae Stratton | Persephone Nelson | Melissa Karapostoles |
| 2009 | Holly Hudson (Ambro) | Lindsay Merrill (Whitney) | Meghan Gammel | Elisha Elliott |
| 2010 | Ashley Fuentes (Diaz) | Sierra Sheldon | ||
| 2011 | Taylor Willis | Stephanie Laurie | Marissa Haner | Abigail Vidals |
| 2012 | Amanda Dronenburg (Bennett) | Arianna Flores | Natalie Stevenson | |
| 2013 | Angela Bentley | Danyelle Wilson | Christie Honore | Lavee Hess |
| 2014 | Katey Tapia | Kristina Holtrop | Kaylee Ditlefsen | Judithayn Villella |
| 2015 | Megan O’Mera | Amanda Sanders | Morgan King | Emily Larson |
| 2016 | Victoria Hall | Dana Nguyen | Tatum Jensen | Hailey Kapetan |
| 2017 | Karla Najera | Abby Norman | Alison Cobb | Emily Straling |
| 2018 | Erin Gordon | Liliana Williams | Gracelyn Hurdlow | |
| 2019 | Emily Silva | Shelby Wells | Brianna Cowan | Kjirsten Foresman |
| 2020 | Lindsey Coffman | Alicia Pairadee | Logan Laxon | Brii Hingtgen |
| 2021 | Hanna Hampton | Allie Gale | Zoee Kuperus | Sydney VanProyen |
| 2022 | Isabella Williams | Ellie Turner | Katherine Gould | Lauren Willis |
| 2023 | Pepper Reymond | Fred Cameron | Anne Marie Barni | Paige Krzyworz |
| 2024 |