Lenni
Lenni is a name with a single cultural origin: Finnish.
- Finnish
Meaning & Origin of Lenni
What this name means, where it came from, and how it has traveled across cultures.
Lenni is a name with a single cultural origin: Finnish.
Origin data from Behind the Name .
Cultural Origins (via Behind the Name)
- Finnish
The Story of Lenni
Lenni first appeared in U.S. Social Security Administration records as a baby girl name in 1966, with 5 babies given the name that year. The name hit its high-water mark in 2023: 52 births, good for #3,136 nationwide. The 2020s were its strongest decade, accounting for roughly 73% of all recorded Lennis. In the latest 2026 data it stands at #3,154 among baby girl names with 51 births, rising sharply (+88% over the past five years). In total, more than 394 Lennis have been born in the U.S. since records began in 1880, spanning the 1960s through the 2020s.
Popularity Over Time
Popularity by State
Variants & Related Forms of Lenni
Foreign forms, alternate spellings, and nicknames that share roots with Lenni. Linked entries have a profile on Peek a Name.
Names that sound like Lenni
Phonetically similar names — useful when Lenni is the vibe but a different syllable count or letter feel might suit better. Linked entries have a profile on Peek a Name.
Source: Datamuse . Phonetic similarity ranking, not curated.
Frequently Asked Questions about Lenni
What does the name Lenni mean?
What is the origin of the name Lenni?
How popular is Lenni in 2026?
When was Lenni most popular?
In which U.S. states is Lenni most popular?
Is Lenni a unisex name?
What names go well with Lenni?
What are nicknames or variants of Lenni?
About the name Lenni
Lenni is a girl baby name tracked by the U.S. Social Security Administration. It first appeared in SSA records in 1966 and has accumulated 394 births in the dataset. Lenni's peak popularity came in 2023 when it ranked #3,136. Use the chart and map above to compare Lenni's trajectory across years and U.S. states, or browse the related names section to discover similar choices.
Continue exploring
- Top names of 2023 →
- Names of the 2020s →
- Names starting with "L" →
- Browse all girl names →
- Top names of 2026 →
Data sources
- Birth statistics (counts, ranks, years 1880–2026) — U.S. Social Security Administration . Predictions for years not yet released by SSA are computed by Peek a Name from historical trends; we update with official data as soon as it ships.
- Etymology, cultural origins, and related forms — Behind the Name (used under their public API terms).
- Meaning prose and editorial summary — Wikipedia article extracts, licensed under CC BY-SA 3.0 .
- Predicted nationality distribution — Nationalize.io .
- Phonetically similar names — Datamuse .
Peek a Name aggregates and presents the above data for informational purposes. Statistical predictions and external attributions are clearly labelled where shown; we make no guarantee of accuracy beyond what each source provides.