Surname Q - R
| SURNAME | TOWNSHIP | RESEARCHER |
| Raasch | S. Kenton | |
| Race | Waukegan & Chicago | Donna Race Kneip |
| Radschweit⁄ Radschweitz | Waukegan | Kaye K. Lystad-Kirk |
| Ragan | Fremont Twp | Carolyn Caflisch |
| Rakauskus | Waukegan ca 1906-1940 | Dana Zamiara |
| Rawes | Penny Stanley | |
| Recktenwald | Waukegan | Joyce Higgins |
| Reed | Sophia Preston | |
| Reese | Ela | Diane Strothers |
| Retterer | Long Grove⁄Half Day area; 1850s - 1870s | Diana Vickery |
| Reynolds | 1840 | Susan Cooper |
| Rice | Vernon - 1835 | Richard Rice |
| Richards | Highland Park, Shields Township | Joyce Higgins |
| Richter | Janice Lynn | |
| Risley | Phoebe Cortessis | |
| Rogers | Waukegan -- 1900 | Linda Berg Stafford |
| Roney | Vicki Mazur | |
| Rose | Shields⁄Vernon⁄Libertyville | Marleen Van Horne |
| Rosing⁄Ruesing⁄Roesing | Round Lake, Volo ca 1870s | Cindy Dorfler-Hederer or Sharon Dorfler Kemble |
| Rother | Antioch | Lee Koenig |
| Rudd | Libertyville | James Dunn |
| Rudd | Deerfield - 1865 | Bonnie Duffy |
| Rundquist | Waukegan | Vicki Rundquist |