Randall, Bennie	5-7-1939	Electrocuted	Colorado	Huntsville, TX	215	Rape
Ransom, John	9-6-1892	Lynched	Lamar	Paris, TX	n/a
Ransom, Kenneth	10-28-1997	Lethal Injection	Harris	Huntsville, TX	772	Multiple-Murder
Ray, William	6-9-1950	Electrocuted	Navarro	Huntsville, TX	327	Rape
Rayson, Marvin	7-17-1954	Electrocuted	Palo Pinto	Huntsville, TX	377	Murder
Rebin, Thomas	2-17-1891	Lynched	Nacogdoches	Douglas	n/a
Rector, Charles	3-26-1999	Lethal Injection	Travis	Huntsville, TX	721	Robbery
Rector, Ira	4-2-1935	Electrocuted	Grimes	Huntsville, TX	143	Murder
Reed, Booker	10-28-1952	Electrocuted	Dallas	Huntsville, TX	357	Murder
Reese, Arlin	8-24-1941	Electrocuted	Limestone	Huntsville, TX	236	Murder
Renfro, Steven	2-9-1998	Lethal Injection	Harrison	Huntsville, TX	999229	Multiple-Murder
Reynolds, Charles	2-8-1924	Electrocuted	Red River	Huntsville, TX	721	Murder
Rhodes, Ladell	6-26-1939	Electrocuted	Harrison	Huntsville, TX	218	Murder
Richardson, Damon			Taylor		915	Multiple Murder
Richardson, James	5-23-2000	Lethal Injection	Navarro	Huntsville, TX	867	Robbery
Richardson, Jimmy	6-24-1954	Electrocuted	Freestone	Huntsville, TX	375	Rape
Richardson, Miguel A.	6-26-2001	Lethal Injection	Bexar	Huntsville, TX	691	Robbery
Richman, J. W.	3-18-1940	Electrocuted	Collin	Huntsville, TX	224	Murder
Richmond, King	8-29-1915	Lynched	Hopkins	Sulphur Springs, TX	n/a
Riles, Joshua	7-24-1931	Electrocuted	Galveston	Huntsville, TX	88	Rape
Rivera, John	6-23-1936	Electrocuted	Bastrop	Huntsville, TX	163	Rape
Roane, William	6-17-1930	Lynched	Brazos	Bryan, TX	n/a
Roberson, Brian	8-9-2000	Lethal Injection	Dallas	Huntsville, TX	886	Burglary
Robertson, William	6-7-1914	Lynched	Grimes	Navasota, TX	n/a
Robinson, Forest	4-6-1926	Electrocuted	Dallas	Huntsville, TX	30	Murder
Robinson, Richard	2-15-1942	Electrocuted	Harris	Huntsville, TX	239	Rape
Robinson, S. A.	4-6-1926	Electrocuted	Dallas	Huntsville, TX	29	Murder
Robinson, Willie	9-23-1927	Electrocuted	Denton	Huntsville, TX	45	Murder
Robinson, Y. B.	7-16-1951	Electrocuted	Wichita	Huntsville, TX	343	Murder
Robison, Larry	1-21-2000	Lethal Injection	Tarrant	Huntsville, TX	748	Robbery
Rodriguez, Clemento	9-7-1928	Electrocuted	Bexar	Huntsville, TX	55	Rape
Rodriguez, Victor	10-30-1931	Electrocuted	Hidalgo	Huntsville, TX	87	Murder
Rodriquez, Chipita	11-13-1863	Hanged		San Patricio, TX
Rogeau, Paul	5-3-1994	Lethal Injection	Harris	Huntsville, TX	603	Robbery
Rogers, Patrick	6-2-1997	Lethal Injection	Collin	Huntsville, TX	816	Robbery
Romero, Jr. Jesus	5-20-1992	Lethal Injection	Cameron	Huntsville, TX	801	Rape
Ross, Bonnie Lee	12-18-1931	Electrocuted	Morris	Huntsville, TX	95	Rape
Ross, Herman	6-4-1952	Electrocuted	Galveston	Huntsville, TX	334	Murder
Ross, Tom	9-28-1928	Electrocuted	Nacogdoches	Huntsville, TX	56	Murder
Rowland, Thomas	2-24-1891	Lynched	Nacogdoches	Douglas, TX	n/a
Rudd, Emerson	11-15-2001	Lethal Injection	Dallas	Huntsville, TX	255	Robbery
Rueda, Agapito	1-9-1926	Electrocuted	El Paso	Huntsville, TX	26	Murder
Rumbaugh, Charles	9-11-1985	Lethal Injection	Potter	Huntsville, TX	555	Robbery
Rushing, Clayton	3-28-1948	Electrocuted	Jasper	Huntsville, TX	299	Murder
Rushing, Edwin	7-17-1925	Electrocuted	Anderson	Huntsville, TX	23	Murder
Russell, Clifton C. Jr.	1-31-1995	Lethal Injection	Taylor	Huntsville, TX	658	Robbery
Russell, James	9-19-1991	Lethal Injection	Fort Bend	Huntsville, TX	579	Kidnapping

Those in Yellow were executed - and later found to be innocent. Others may have been wrongfully executed.

Sources:
Texas Department of Criminal Justice Home Page for executions after 1977.  
The Rope, The Chair, And The Needle by James W. Marquart, ©1994, University of Texas Press for those executions before 1977.
Without Sanctuary by James Allen and John Littlefield, © 2000, for early lynchings in Texas.