This partial list of city nicknames in Texas compiles the aliases, sobriquets and slogans that cities in Texas are known by officially and unofficially, to locals, Nicknames by city · See also · References · External links. Read about the 'friendly' Texas state motto and find out about its historical meaning. Learn also the state's nicknames and funny slogans. In researching the nickname for Texas, we searched for new and old nicknames. We also searched for official and unofficial nicknames. Our research found the.