Notes for Robert Summer Yellowtail: US Federal Census 1900 - Montana- Custer County - E.D. 209 - Crow Indian Reservation - Pg 283A, 5 Jun 1900, Roll: T623-915, Ln 17, Hse 90, Fam 90 - Summer (Robert) - Ancestry.com - 1900 Census - Image 13.
1910 - Montana - Rosebud County - E.D. 215 - Crow Indian Reservation - Pg 165B, 9 May 1910, Roll: T624-835, Ln 36, no Hse #, no Fam # - Robert Yellowtail - Ancestry.com - 1920 Census - Image 56.
1920 - Montana- Big Horn County - Wyola - E.D. 5 - Pg 164B, ? Feb 1920, Roll: T625-967, Ln 69-72, Frm, Hse 56, Fam 63 - Yellow Tail Robt - Ancestry.com - 1920 Census - Image 8.
1930 - Montana - Big Horn County - Lodge Grass - E.D. 13 - Pg 152B, 11 Apr 1930, Roll: T626-1252, Ln 90-96, Hse 74, Fam 74 - Yellow Tail Robert - Ancestry.com - 1930 Census - Image 8.
Author's Note: By 1930 Robert and Clara have divorced. His mother Lizzie S. and sister Nancy are living in his home when this record was taken.
Children of Robert Summer Yellowtail and Clara SpottedHorse are:
Joy Yellowtail, b. Abt. 1913, Crow Reservation, Rosebud Co., MT, d. date unknown, Crow Reservation, Big Horn Co., MT.
Marjorie Yellowtail, b. Abt. 1915, Crow Reservation, Big Horn Co., MT, d. date unknown, Crow Reservation, Big Horn Co., MT.