When William Alexander Brewer was born on 20 May 1878, in Barren Township, Independence, Arkansas, United States, his father, Franklin Lafayette Brewer, was 33 and his mother, Elizabeth Jane Laman, was 28. He married Minerva Elizabeth Ball on 9 February 1903, in Cave City, Sharp, Arkansas, United States. They were the parents of at least 1 son and 4 daughters. He lived in Cave Township, Sharp, Arkansas, United States for about 20 years. He died on 8 November 1955, in Cave City, Sharp, Arkansas, United States, at the age of 77, and was buried in Independence, Arkansas, United States.