[2] In The Spell of the Yukon (1916), she had the leading female part in a feature starring Edmund Breese, which was adapted from a poem by Robert W. Service.

[4] International spy Dr. Karl Graves was arrested in Lima, Ohio, where he traveled after watching Mayo perform at the Empire Theater in New York City.

[1] Aside from promoting movies, Mayo utilized her tour to recruit troops for service in World War I and to sell Liberty Bonds.

[7] In the 1923 feature The Shock, starring Lon Chaney, Mayo was compared to Mary Alden in her rendition of Ann Cardington, queen of the underworld.

[11] Mayo enjoyed cooking chicken a la king, interior decorating, and reading classic novels by Balzac and Alexandre Dumas.