Son of Leonard G Miller and Bertha Lydia Booth
Born 21 Mar 1888 in [Philadelphia], Pennsylvania

Jockey-Horse, 1910; in 1920, missing; Riding Master-Private Estate, 1930.

Married before 1930 in [New York] to Sarah Mann
Born ca. Jan 1882 in [Corning, Steuben Co.], New York

Leonard's age in the census records: in 1900, age 12 (b. Mar 1888); in 1910, age 22; in 1920, missing; in 1930, age 42.
In 1900 Leonard was reported under the name Leonard G Miller.
In 1930 Leonard was reported to be first married at age 23 (ca. 1911).

1900 - U.S. Census, Pennsylvania, Philadelphia Co., Philadelphia, Ward 36, E.D. 923, Sheet No. 10B [=68 verso], 199-216, 1432 S. 18th St., 08 Jun 1900
1910 - U.S. Census, Pennsylvania, Philadelphia Co., Philadelphia, Ward 34, E.D. 831, Sheet No. 11B [=275 verso], [x]-[x], 415 Felton St., 23 Apr 1910
1930 - U.S. Census, New York, Westchester Co., New Castle Town, E.D. 60-286, Sheet No. 16A [=54], 378-387, Old Armont Rd., 01 May 1930