In 1994, the Music Educators National Conference (MENC) placed Leonhard's name alongside those of William Billings, Lowell Mason, Frances Elliot Clark, Karl Gehrkens, Mabelle Glenn, James Mursell, Lilla Belle Pitts, and Allen Britton in the MENC Hall of Fame.
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | William Wilberforce | William James | William Makepeace Thackeray | Fort William | William Hanna | William Hague | William III | William Hurt | William Walton |
Selections from Night Thoughts was also set by New England Congregationalist composer William Billings in his Easter Anthem.
From the inspiration of a singing school given in Stoughton in 1774 by Boston composer, William Billings, a group of male singers in town decided to form a singing society.