Family name origins & meanings
- Castilianized variant (common in Mexico) of Basque Suztaeta, which has two origins.
- topographic name denoting someone who lived where broom grew, from a reduced form of isutz ‘broom’ + the suffix -ta + the locative suffix -eta.
- topographic name for someone who lived in a grassy field, from usa ‘grass’ + the locative suffix -eta.