From a medieval diminutive form of the given name William.
Willmott Sentence Examples
Willmott (1847), George L.
Of this group the most striking one perhaps is N, bicolor, which has the perianth almost white and the corona deep yellow; it yields a number of varieties, some of the best known being Empress, Horsfieldi, Grandee, Ellen Willmott, Victoria, Weardale Perfection, &c. N.
The silvery blue, Miss Willmott, is the best form.