Now universally taken as a pet form of Jennifer. In fact, this name existed during the Middle Ages as a pet form of Jean. It is often used independently. Among many well-known bearers are the Swedish soprano Jenny Lind (originally Johanna Lind, 1820–87), the British racehorse trainer Jenny Pitman (b. 1946), and the British actress Jenny Agutter (b. 1952).
Spanish: 1. habitational name from any of the places named Salvatierra (literally ‘save land’). This is a widespread place name, denoting a place of strategic importance. 2. Castilianized form of Galician Salvaterraor Aragonese Salbatierra, habitational names from places in Galicia and Aragon.