Adelen is a very rare variant of Adeline that peaked in 2015 and has since faded.
Adelen is a girl name. In 2025 it ranked #14,973 for girl births in the United States (and #24,818 across all names), given to 5 babies. Adelen was first reported in SSA data in 2015 and peaked in 2015 (7 births).
Girls named Adelen per year · hover for count and girls rank · Source: U.S. Social Security Administration, national data 2015–2025 · U.S.+territories from SSA territory files (1998–2025) · SSA publishes a name only in years it was given to at least 5 babies, so a name may have been in use before — or between — the years shown here