Xavier traces to a Basque place name usually translated as "new house," later carried into wider use through a well-known missionary who took it as a surname. The name suggests a fresh start built on solid ground -- newness paired with structure rather than instability.
Those doubts are soon resolved, that are propounded when the Moon and the planet to whom she applies are in signs, having voice, and in the first or third houses, or in opposition of them. - William Lilly (1602.-1681.)