Family name origins & meanings
- Spanish : possibly a habitational name from Trillo in Guadalajara province; otherwise, a metonymic occupational name from trillo ‘threshing sledge’ (Latin tribulum).
- Italian : perhaps from French trille, a southern variant of treille ‘vine arbor’.
- English : Reaney believes this to be an altered form of Thurlow, citing as evidence Philip de Trillowe 1279.