I did some research and, as far as I know - I AM NOT ONE HUNDRED PER CENT CERTAIN - these are all the women who tick the boxes for JD that vanished before 1980 and are not in CODIS.
https://www.findthemissing.org/en/cases/8784/28 - Dennise Sullivan, 15, Utah, 1961
https://www.findthemissing.org/en/cases/10763/57 - Ann Miller, 21, Indiana, 1966
https://www.findthemissing.org/en/cases/10766/58 - Renee Bruhl, 19, Indiana, 1966
https://www.findthemissing.org/en/cases/20169/61 - Alice Reeves, 20, Louisiana, 1967
https://www.findthemissing.org/en/cases/13067/82 - Carmen Hallock, 22, Florida, 1969
https://www.findthemissing.org/en/cases/543/85 - Gloria Baird, 23, Georgia, 1969
https://www.findthemissing.org/en/cases/6975/108 - Lynne Schulze, 18, Vermont, 1971
https://www.findthemissing.org/en/cases/2508/109 - Elizabeth Lande, 21, Pennsylvania, 1971
https://www.findthemissing.org/en/cases/7540/129 - Charlotte Brown, 29, Ohio, 1973
https://www.findthemissing.org/en/cases/26809/131 - Rory Kesinger, 24, Massachusetts, 1973
https://www.findthemissing.org/en/cases/1817/148 - Dorothy Bois, 22, New Hampshire, 1973
https://www.findthemissing.org/en/cases/11936/149 - Barbara Aleksivich, 24, New York, 1973
https://www.findthemissing.org/en/cases/15041/155 - Helen Harrington, 26/27, Oregon, 1974
https://www.findthemissing.org/en/cases/26943/158 - Diane Collins, 25, Michigan, 1974
https://www.findthemissing.org/en/cases/21576/163 - Mary Radford, 22-25, Georgia, 1974
https://www.findthemissing.org/en/cases/14488/175 - Carlene Brown, 19, Wyoming, 1974
https://www.findthemissing.org/en/cases/4594/181 - Barbara Glueckert, 14, Illinois, 1976*
https://www.findthemissing.org/en/cases/27747/186 - Nancy Wilcox, 16, Utah, 1974*
https://www.findthemissing.org/en/cases/27776/191 - Debra Kent, 17, Utah, 1974*
https://www.findthemissing.org/en/cases/12084/200 - Julie Cunningham, 16, Colorado, 1975*
https://www.findthemissing.org/en/cases/27748/210 - Susan Curtis, 15, Utah, 1975*
https://www.findthemissing.org/en/cases/8530/217 - Janis Sanders, 25, Michigan, 1975*
https://www.findthemissing.org/en/cases/4188/232 - Sallie Reed, 22, Louisiana, 1976
https://www.findthemissing.org/en/cases/19092/233 - Laurie Amico, 22/23, Florida, 1976
https://www.findthemissing.org/en/cases/2502/234 - Linda Nickell, 20, Michigan, 1976
https://www.findthemissing.org/en/cases/20111/236 - Iris Brown, 27, Vermont, 1976*
https://www.findthemissing.org/en/cases/18982/237 - Alice Van Alstine, 28, Iowa, 1976
https://www.findthemissing.org/en/cases/9541/238 - Patricia Laemmerhirt, 27, New York, 1976
https://www.findthemissing.org/en/cases/5489/239 - Wilma Vermaas, 23, California, 1976
https://www.findthemissing.org/en/cases/7783/240 - Delores Stanton, 21, Florida, 1976
https://www.findthemissing.org/en/cases/23979/243 - JoAnn Benner, 21, Florida, 1976
https://www.findthemissing.org/en/cases/26000/249 - Mary Robinson, 23, New York, 1976
https://www.findthemissing.org/en/cases/4576/252 - Cynthia Kinney, 16, Oklahoma, 1976
https://www.findthemissing.org/en/cases/25518/262 - Jacqueline Cooper, 27, California, 1976
https://www.findthemissing.org/en/cases/3219/272 - Loy Evitts, 29, Missouri, 1977
https://www.findthemissing.org/en/cases/21987/278 - Joanne Dexter, 30, New York, 1977
https://www.findthemissing.org/en/cases/13244/297 - Margaret Dodd, 27, West Virginia, 1977
https://www.findthemissing.org/en/cases/24532/314 - Mary Weekly, 25, Missouri, 1978
https://www.findthemissing.org/en/cases/23584/315 - Delores Sumpter, 27, Iowa, 1978
https://www.findthemissing.org/en/cases/19667/319 - Patricia Action, 25, Florida, 1978*
https://www.findthemissing.org/en/cases/19747/333 - Marcia Joyce, 28, Washington, 1978
https://www.findthemissing.org/en/cases/2495/341 - Joanne Williams, 22, Pennsylvania, 1978
https://www.findthemissing.org/en/cases/734/353 - Arrilla Webb-Vaul, 23, Lousiana, 1979
https://www.findthemissing.org/en/cases/1721/356 - Katherine Anderson, 24/25, Maryland, 1979
https://www.findthemissing.org/en/cases/17728/359 - Catherine Runte, 28, Illinois, 1979
https://www.findthemissing.org/en/cases/20718/364 - Vonnie Bales, 28/29, Texas, 1979
https://www.findthemissing.org/en/cases/18051/370 - Andrea Hall, 18, California, 1979*
https://www.findthemissing.org/en/cases/12102/374 - Norma Halford, 21, Colorado, 1979
https://www.findthemissing.org/en/cases/18179/377 - Micki West, 19, Missouri, 1979*
https://www.findthemissing.org/en/cases/13992/380 - Susan DeQuina, 22, Massachusetts, 1979
*May have been murdered
Oh, I forgot Patricia Spencer.