When Floyd Irving Todd was born on 19 August 1902, in Brazos, Texas, United States, his father, (Dr.) Thomas Lindsey Todd, was 44 and his mother, Willis Annette Smith, was 33. He married Naomi Byars on 2 May 1959, in Stephenville, Erath, Texas, United States. He lived in Ballinger, Runnels, Texas, United States for about 15 years and Justice Precinct 1, Runnels, Texas, United States in 1940. He died on 26 May 1980, in Austin, Travis, Texas, United States, at the age of 77, and was buried in Cook-Walden Capital Parks Cemetery and Mausoleum, Pflugerville, Travis, Texas, United States.