Ruby apparently kept the McFall name. She was married on the 14th of August 1919 in McAlester Pittsburg Ok.
Not sure who her father was.
"1917 - Fourth worst school tornado disaster in U.S. history as F3 twister hits Choctaw Indian Baptist Mission school at Vireton, OK, 13 miles NE of McAlester. The small, poorly constructed building was destroyed. 16 people were killed and 10 injured. Some victims' bodies were blown 100 yards down a hillside." (See references: here & here)