Mazelyn is a very rare girls' name that peaked in 2021 and has grown less common since.
Mazelyn is a girl name. In 2025 it ranked #11,565 for girl births in the United States (and #19,468 across all names), given to 8 babies. Mazelyn first appears in 2016 and peaked in 2021 (10 births).
Girls named Mazelyn per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2016–2025 · U.S.+territories from SSA territory files (1998–2025)