New house
A modern creative spelling of Xavier, which originates from the Basque place name Etxeberria. It signifies a fresh start or a new home, though this specific double-X spelling is a contemporary American invention.
Less common today
Xxavier isn't in the latest US Top 1000. It last peaked at #7,271 in 2015.
US births per 5-year period, 1990βpresent (SSA data).