Gage, Willie 4-23-1954 Electrocuted Tarrant Huntsville, TX 373 Rape  
 Gaines, Henry 6-28-1892 Lynched Tyler Spurger, TX n/a    
 Galloway, Richard 6-5-1913 Lynched Newton Newton Co., TX n/a    
 Gamble, Richard 6-28-1946 Electrocuted Tarrant Huntsville, TX 280 Murder  
 Gardner, Billy 2-16-1995 Lethal Injection Dallas Huntsville, TX 751 Robbery  
 Garrett, Johnny 2-11-1992 Lethal Injection Potter Huntsville, TX 729 Rape  
 Garrette, Simeon 8-20-1890 Lynched San Agustine San Augustine, TX n/a    
 Garza, Rafael 11-12-1894 Lynched Kimble Kimble Co., TX n/a ? near the site of an old dump ground in Kimble Co.
 Gasway, Samuel 3-21-1953 Electrocuted Potter Huntsville, TX 368 Rape  
 Gentry, Kenneth E. 4-16-1997 Lethal Injection Denton Huntsville, TX 760 Robbery  
 Gibbs, David 8-23-2000 Lethal Injection Montgomery Huntsville, TX 825 Burglary  
 Gibson, Roscoe 10-6-1962 Electrocuted Harris Huntsville, TX 440 Rape  
 Gibson, Samuel 1-29-1950 Electrocuted Howard Huntsville, TX 323 Murder  
 Glover, Edward, Sheriff 6-1856 ? Orange Orange Co., TX n/a Counterfeiter  
 Glover, Nehemiah 1-28-1942 Electrocuted Harris Huntsville, TX 237 Murder  
 Goff, David 4-25-2001 Lethal Injection Tarrant Huntsville, TX 999015 Robbery  
 Goldsby, Charlie 1-22-1942 Electrocuted Jefferson Huntsville, TX 240 Rape  
 Goleman, Darious 2-4-1953 Electrocuted Liberty Huntsville, TX 360 Murder  
 Gonzales, Joe 9-18-1996 Lethal Injection Potter Huntsville, TX 999177 Murder  
 Goodman, Spencer 1-18-2000 Lethal Injection Fort Bend Huntsville, TX 999031 Kidnapping  
 Goodwin, Alvin 1-18-2001 Lethal Injection Montgomery Huntsville, TX 879 Murder  
 Goolsie, Kirby 5-27-1918 Lynched Jefferson  Beaumont, TX n/a    
 Gordon, Johnnie 1-24-1956 Electrocuted Harris Huntsville, TX 387 Rape  
 Gosch, Lesley 4-24-1998 Leathal Injection Victoria Huntsville, TX 842 Kidnapping  
 Goss, Cornelius 2-23-2000 Lethal Injection Dallas Huntsville, TX 912 Burglary  
 Grady, Willie 7-25-1929 Electrocuted Hunt Huntsville, TX 68 Rape  
 Graham, Gary 6-22-2000 Lethal Injection Harris Huntsville, TX 696 Robbery  
 Granviel, Kenneth 2-27-1996 Lethal Injection Tarrant Huntsville, TX 533 Rape  
 Gray, G.C 8-7-1925 Electrocuted Titus Huntsville, TX 22 Murder  
 Grays, Fobie 7-20-1938 Electrocuted Wharton Huntsville, TX 201 Murder  
 Griffin, George 4-20-1941 Electrocuted Nueces Huntsville, TX 234 Rape  
 Green, John 8-5-1932 Electrocuted Medina Huntsville, TX 103 Murder  
 Green, Leo  10-26-1917 Lynched Cass Linden, TX n/a    
 Green, G. W. 11-12-1991 Lethal Injection Montgomery Huntsville, TX 576 Burglary  
 Green, Norman 2-24-1999 Lethal Injection Bexar Huntsville, TX 805 Robbery  
 Green, Ricky Lee 10-8-1997 Lethal Injection Tarrant Huntsville, TX 984  
 Green, Walter 2-19-1954 Electrocuted Culberson Huntsville, TX 372 Murder  
 Gribble, Timothy 3-15-2000 Lethal Injection Galveston Huntsville, TX 929 Rape  
 Griffin, Jeffery 11-19-1992 Lethal Injection Harris Huntsville, TX 647 Robbery  
 Grogans, Charlie 7-28-1932 Electrocuted Jefferson Huntsville, TX 102 Rape  
 Guldry, Gilbert  10-3-1917 Lynched Orange Orange, TX n/a    
 Gutierrez, Jessie 9-16-1994 Lethal Injection Brazos Huntsville, TX 971 Robbery  
 Gutierrez, Jose 11-18-1999 Lethal Injection Brazos Huntsville, TX 970 Murder  
 Gutierrez, Juan 5-2-1944 Electrocuted Hidalgo Huntsville, TX 255 Murder  

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.