Sonder is a very rare variant of Sondra that first appeared in 2020 and is quickly gaining ground.
Sonder is a boy name. In 2025 it ranked #2,930 for boy births in the United States (and #6,288 across all names), given to 43 babies. Sonder first appears in 2020 and peaked in 2025 (43 births).
Boys named Sonder per year · hover for count and boys rank · Source: U.S. Social Security Administration, national data 2020–2025 · U.S.+territories from SSA territory files (1998–2025)