a. dial. (UN-1 7.)
1830. J. Wilson, Noctes Ambr. (1856), III. 71. North. She sat and smiled to see her long dishevelled tresses reflected in the Fairys Pool. Shepherd. Thats no unbonny.
1894. Crockett, Lilac Sunbonnet, 34. Deed Im nane sae unbonny yet.