Delegation chair:EverettM. Dirksen Delegates(may be incomplete!)
- At-Large:LeslieC. Arends, Melvin-EverettM. Dirksen, Pekin-WilliamH. Fetridge, Chicago-EdmundJ. Kucharski, Chicago-RichardB. Ogilvie, Northfield-AudreyR. Peak, Winchester-CharlesH. Percy, Wilmette-RalphT. Smith, Alton-VictorL. Smith, Robinson-RobertD. Stuart, Jr., Lake Forest
- 1st District:GenoaS. Washington, Chicago-ValoresJ. Washington, Chicago
- 2nd District:ThomasJ. Downs, Chicago-EarlF. Kistner, Blue Island
- 3rd District:ErnestE. Michaels, Chicago-PaulJ. Vander Ploeg, Chicago
- 4th District:WilliamB. Kane, Harvey-HayesRobertson, Flossmoor
- 5th District:FelixF. Kucharski, Chicago-JohnL. Waner, Chicago
- 6th District:JosephS. Kral, Cicero-EdwardF. Moore, Chicago
- 7th District:PeterC. Granata, Chicago-SinonA. Murray, Chicago
- 8th District:CharlesJ. Fleck, Chicago-PeterJ. Miller, Chicago
- 9th District:PaulC. Ross, Chicago-JackI. Sperling, Chicago
- 10th District:FloydT. Fulle, Des Plaines-MarshallA. Quandt, Forest Park
- 11th District:TimothyP. Sheehan, Chicago-CarlV. Wiegand, Chicago
- 12th District:IrlH. Marshall, Highland Park-BernardV. Narusis, Cary
- 13th District:JamesW. Good, Jr., Winnetka-CarlR. Hansen, Mt. Prospect
- 14th District:SamuelE. Dean, Oak Brook-HarrisW. Fawell, Naperville
- 15th District:CliffardD. Carlson, Geneva-EdmondB. Thornton, Ottawa
- 16th District:PaulF. Behan, Oregon-CarlE. Pape, Belvidere
- 17th District:WilliamC. Harris, Pontiac-RogerJoslin, Bloomington
- 18th District:WillardM. Koeppel, Peoria-RobertH. Michel, Peoria
- 19th District:DaleH. Bragg, Knoxville-RalphA. Killey, Monmouth
- 20th District:RayPage, Springfield-HarrisRowe, Jacksonville
- 21st District:RalphA. Dunn, Du Quoin-JamesG. Gullett, Elizabethtown
- 22nd District:HarryG. Taylor, Decatur-LyleC. Van Horn, Cerro Gordo
- 23rd District:PhyllisSchlafly, Alton-JamesB. Wham, Centralia
- 24th District:RalphD. Walker, Belleville-WilsonH. West, Belleville
Alternates(may be incomplete!)
- At-Large:RobertA. Dwyer, Winnetka-WilliamN. Erickson, Evanston-HerbertA. Jackson, East St. Louis-JamesS. Kemper, Jr., Winnetka-VirginiaKenney, Barrington-HopeMcCormick, Warrenville-MaxinePolhill, Milledgeville-WilliamJ. Scott, Evanston-W.Clement Stone, Evanston-JosephWoods, Oak Park
- 1st District:HermanStewart, Chicago-HamiltonB. Talbert, Jr., Chicago
- 2nd District:ThomasJ. Derwinski, Chicago-JayneE. Price, Chicago
- 3rd District:LucilleA. Kahoun, Chicago-JohnJ. Lanigan, Chicago
- 4th District:CharlesJ. Grupp, Jr., Chicago Heights-DonA. Moore, Midlothian
- 5th District:JoanD. Costello, Chicago-MichaelGordus, Chicago
- 6th District:JamesE. Goodwin, Chicago-HarryH. Magers, Jr., Berwyn
- 7th District:N.James Carr, Chicago-AnthonyFosco, Chicago
- 8th District:HaroldB. Gangler, Chicago-LouisJ. Kasper, Chicago
- 9th District:HarryL. Stern, Chicago-BettyJoy Wagner, Chicago
- 10th District:PeterGiammanco, Jr., Riverside-GeraldC. Mattran, Oak Park
- 11th District:MatthewW. Slowik, Chicago-MitchellG. Zadrozny, Chicago
- 12th District:MaryW. Runnells, Lake Forest-RobertP. Will, Jr., Winthrop Harbor
- 13th District:GlenaD. Jicha, Palatine-JohnJ. Nimrod, Skokie
- 14th District:WalterBard Carroll, Westmont-ThomasFeehan, Joliet
- 15th District:JohnAlexander, Jr., Batavia-RobertF. Greenaway, DeKalb
- 16th District:ClaytonR. Gaylord, Rockford-RobertE. Shaw, Dixon
- 17th District:CharlesActon, Collison-CharlesS. Hamm, Gibson City
- 18th District:KennethW. Black, Washington-WilliamPotter Johnson, Princeton
- 19th District:VirginiaI. Dahlberg, Moline-WaldoM. Erickson, Media
- 20th District:KennethG. Cole, Springfield-R.Hap Northern, Quincy
- 21st District:PattRodd, Carbondale-DavidL. Stanley, Carmi
- 22nd District:EdwardH. Jenison, Paris-GeorgeT. Mitchell, Marshall
- 23rd District:BernardJ. Buenemeyer, Germantown-DouglasMarti, Greenville
- 24th District:LilyP. Chaboude, Granite City-RussellH. Classen, Freeburg
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