Modern invented name, possibly derived from Brixton
Brixon is a contemporary American invention, likely created by blending the trendy 'Brix-' sound with the popular '-on' suffix. It is often associated with Brixton, a district in London, which itself originates from the Old English name 'Beorhtsige's stone'.
Less common today
Brixon isn't in the latest US Top 1000. It last peaked at #3,790 in 2019.
US births per 5-year period, 1990βpresent (SSA data).