Other Forms FormsGillard, Gillatt, Gilliatt, Gillyatt, Gillott, Gillyett, Gillyott, Jillett, Jellett
Meaning & History
French and Swiss French from a derivative of Gillier, from the Germanic personal name Giselher, composed of gisil ‘hostage’, ‘pledge’, ‘noble offspring’ (see Giesel) + heri ‘army’.