Tilly Family History
Tilly Surname Meaning
German: from a shortened form of Tilling which itself is a patronymic from Till. English and Irish: variant of Tilley.
Irish: variant of Tully. French: habitational name from any of various places in northern France called Tilly.
Examples in Eure and Calvados are so called (Tilliacum in medieval records) from the Gallo-Roman personal name Tillius (probably from Latin tilia ‘lime tree’) + the locative suffix -acum.
Source: Dictionary of American Family Names 2nd edition, 2022
