When Kenneth Loring Ellsworth was born on 7 February 1893, in Lone Rock, Richland, Wisconsin, United States, his father, William Wallace Ellsworth, was 40 and his mother, Maggie Eva Greene, was 39. He married Anna Leba on 10 February 1917, in Des Moines, Polk, Iowa, United States. They were the parents of at least 1 son. He lived in Winterset, Madison, Iowa, United States in 1920 and Saylor Township, Polk, Iowa, United States in 1930. He died in 1958, at the age of 65, and was buried in Des Moines, Polk, Iowa, United States.