1920 U.S. census, Tulsa, Oklahoma, ED 231, sheet 3B, lines 52-55: Nat E. and Zula Ligon with Marjorie L. and infant Cissie, enumerated 15 January 1920.
Image · dated 15 January 1920 · source: U.S. Census Bureau, 1920 census (NARA T625), via Ancestry.

How it is shown: Complete page as supplied; no crop, no retouch, no search highlight.
Keep in mind: Likely identification of the infant Cissie as Natalee Cissie Ligon, on names, places, ages and her mother; household naming is not a canonical parentage decision.