When Floyd Otto Horning was born on 15 August 1895, in Vernon Township, Isabella, Michigan, United States, his father, Ambrose LaGrange Horning, was 43 and his mother, Rosa Ann Stine, was 38. He married Nina Bertina Huggins on 2 May 1917, in Osceola, Michigan, United States. They were the parents of at least 1 daughter. He died on 10 September 1963, in Detroit, Wayne, Michigan, United States, at the age of 68.
Transferred use of the Welsh surname, in origin a variant of Lloyd . This form of the name results from an attempt to represent the sound of the Welsh initial Ll- using traditional English pronunciation and orthography. From the 1890s to the 1930s it was at its most popular in the United States.