Brennon is of Irish origin, derived from the ancient Gaelic word 'Breanainn,' which means 'little bright one.' It's a strong and distinctive name that gained popularity in English-speaking countries during the 20th century.
"Between 1979 and 2013, the name Brenon experienced variable popularity with a peak of 16 births in 2008, but overall maintained a steady presence with an average of around 10 births per year."