Arlen
Meaning
"pledge, oath"
Origin: Irish Gaelic
Cultural Roots
Quick Stats
- Popularity Rank
- #1,688
- Total SSA Count
- 99
- Syllables
- 2
- Formality
- Moderate
- Nicknames
- Arl, Ary, Arie
Baby Name Comparison — 2026
"pledge, oath"
Origin: Irish Gaelic
"olive tree"
Origin: Latin
Olivia is more popular, ranked #1 vs #1688 for Arlen.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
Answer 3 quick questions and we'll help you decide.
1. Which style feels more like your family?
Olivia is more popular, ranked #1 compared to Arlen at #1688 in the United States.
Arlen means "pledge, oath" (Irish Gaelic origin). Olivia means "olive tree" (Latin origin).
Arlen is primarily a boy name. Olivia is primarily a girl name.