William was born at
Indiana on 13 February 1817. William was listed as the head of a family on the 1860 Census at
Clear Creek Twp., Monroe Co., Indiana. 1860 Clear Creek Twp., Monroe Co., Indiana census lists the following family on page 469 and household # 205: William Leonard, age 43, male, white, farmer, born in Indiana; Lucinda Leonard, age 37, female, white, born in Indiana; John Leonard, age 16, male, white, born in Indiana; Martha Leonard, age 14, female, white, born in Indiana; James Leonard, age 13, male, white, born in Indiana; Alfred Leonard, age 12, male, white, born in Indiana; Nancy Leonard, age 10, female, white, born in Indiana; William Leonard, age 8, male, white, born in Indiana; David Leonard, age 7, male, white, born in Indiana; Mary Leonard, age 5, female, white, born in Indiana; Eliza Leonard, age 3, female, white, born in Indiana.
. William died on 12 September 1898 at age 81. His body was interred in September 1898 at
Clear Creek Twp., Monroe Co., Indiana, at Smithville Christian Cemetery.