| SURNAME | TIME | TOWN | RESEARCHER |
| RAINBOLT | Dianna Talley | ||
| RAMSEY | John Hendrickson | ||
| RANDALL | Charleston | Elizabeth | |
| RANDOL | 1820-1840 | . | Shauna Garner |
| RATELIFF | 1900-1949 | Charleston, Penhook, Wolf Island | Patricia Tyus |
| RAWLS | 1900 | Pontitoc | Sonja |
| RAY | 1890-1910 | Marilyn Terry Hudson | |
| RAZOR | 1800-? | Dexter to East Prairie | TAMMY PIERCE |
| REASOR | 1850-1920 | Ohio in 1860 | Beverly Rich |
Janet REEVES Hohn | |||
| REILLY | Bill Wright | ||
| RHODES | 1903-1907 | Morehouse | |
| RICE | 1914-1966 | pinhook | Eric James (ricky) Rice |
| RICHARD | 1930 | tywappity | Patricia Hutchinson |
| RICHARDSON | abt.1860-abt 1890 | East Prairie and St. James | Jerry Herd |
| RIGGS | 1860 to 2000 | Dogwood | Harry Riggs |
| RINGO | 1850s-1890s | Wolf Island | Kathleen |
| ROACH | 1940 | Charleston | Leonard Baker |
| ROACH, WILLIAM | 1860 | Mississippi County | Marie Puttkamer |
| ROBERTS | late 1800s - 1990s | Crosno, Sassafras Ridge, Gravel Ridge | Ellen Pruitt Thomas |
| ROBERTS | Charleston | John E. Roberts | |
Sharron Glass Robertson | |||
| RODGERS | Wolf Island | Robert Batts | |
| ROLAN | 1900 - ? | East Prairie | tim and patty rolan |
| ROLWING | 1906 | Charleston | Marie McCann |
| ROLWING | 1848 - present | Texas Bend | Annie Gegan |
| ROSE | 1890 | Braggadocio, Pemiscot Co. Missouri | Karen |
| ROSE | 1884 | char sherfey | |
| ROSSON | 1954 - Present | Charleston | CONNIE ROSSON STEPHENS |
| ROUSE | 1860 | Mississippi County | Marie Puttkamer |
| ROWLAND | Charleston, Wyatt, Deventer | Phillip Rowland | |
| RUSSELL | 1890 | Charleston | George W. Gregory |
| RUSSELL | 1880 | James Bayou Township | Linda Collins |