Sixx is a boy name. In 2025 it ranked #27990 for boy births in the United States, given to 5 babies. Sixx first appears in the data in 2023 and reached its peak in 2023 (5 births). The chart below shows how the name has risen and fallen over time.
How popular is Sixx? (U.S. births per year)
U.S. births per year, 2023–2025 · hover or tap for the count and national rank · source: U.S. Social Security Administration