When Samuel Ealy Johnson Jr. was born on 11 October 1877, in Buda, Hays, Texas, United States, his father, Samuel Ealy Johnson, was 38 and his mother, Eliza Jane Bunton, was 28. He married Rebekah Baines on 20 August 1907, in Gillespie, Texas, United States. They were the parents of at least 2 sons and 3 daughters. He lived in Justice Precinct 1, Blanco, Texas, United States in 1920 and San Marcos, Hays, Texas, United States in 1930. He died on 23 October 1937, in Austin, Travis, Texas, United States, at the age of 60, and was buried in Stonewall, Gillespie, Texas, United States.