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2025 data, released 8 May 2026

Lenny

Lenny was the 1419th most popular name for boys in 2025, given to 128 babies. Its best year was 1961, when it ranked 556th with 199 babies. Over the last ten years it has moved down 275 places. More babies were named Lenny in the 1960s than in any other decade.

Meaning Not yet researched how we research meanings

Rank in 2025
#1,419 boys, up 249 places since 2020
Babies in 2025
128boys
Girls and boys
28% girls, 72% boys2021–2025
Peak year
1961199 babies
Total since 1880
9,035babies recorded

Lenny popularity since 1880

050100150200 1900192019401960198020002020
GirlsBoys Babies per year, US, from Social Security records. Years with fewer than 5 babies show as zero.
YearRank (girls)Rank (boys)Babies (girls)Babies (boys)
2025#2,799#1,41961128
2020#4,832#1,6682796
2010#11,828#1,2299144
2000—#1,775—62
1990#10,873#1,541755
1980—#914—95
1970#8,715#7605118
1960#3,818#56112197
1950—#998—49
1940—#1,118—35
1930————
1920—#3,676—7
1910————
1900————
1890————
1880————

How popular is Lenny, counting every spelling?

Lenny is the most common spelling of a name family that ranked #1,346 for boys in 2025 once every spelling is counted together, compared with #1,419 for Lenny on its own. Together these spellings went to 128 boys in 2025.

SpellingBabies 2025Official rankBabies 2021–2025
Lenny128#1,419633

Spellings count together when they sound the same in American English and are used for the same sex; nicknames and forms that sound different (such as Theo and Theodore) are kept apart. How we group spellings.

How many kids will share the name Lenny?

128 of the 3,606,400 babies born in the US in 2025 were named Lenny (0.04 per 1,000 births). For a boy named Lenny born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 66 (of 430 pupils) would have a child named Lenny.

Chance of another Lenny in a class of 20under 1 in 50US, born 2025
Most likely inOregonunder 1 in 50 (2024)

Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.

How old are people named Lenny?

About 7,000 people born in the US named Lenny are alive today, with a median age of 43; half are between 15 and 60. That makes Lenny mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.

0–910–1920–2930–3940–4950–5960–6970–7980–8990+
Estimated people alive in the US with the name, by age, mid-2026. The darker bar holds the median age.

Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.

Lenny by state

How common Lenny was among boys born in each state in 2021–2025. It is notably more common than nationally in New York (1.9×), Washington (1.8×). In 36 states fewer than five boys a year got the name, too few for SSA to publish, so those states show as zero.

Alaska: fewer than 5 a yearAK–Maine: fewer than 5 a yearME–Wisconsin: fewer than 5 a yearWI–Vermont: fewer than 5 a yearVT–New Hampshire: fewer than 5 a yearNH–Washington: 0.13 per 1,000 babiesWA0.13Idaho: fewer than 5 a yearID–Montana: fewer than 5 a yearMT–North Dakota: fewer than 5 a yearND–Minnesota: 0.04 per 1,000 babiesMN0.04Illinois: 0.03 per 1,000 babiesIL0.03Michigan: 0.05 per 1,000 babiesMI0.05New York: 0.14 per 1,000 babiesNY0.14Massachusetts: 0.08 per 1,000 babiesMA0.08Oregon: 0.07 per 1,000 babiesOR0.07Nevada: fewer than 5 a yearNV–Wyoming: fewer than 5 a yearWY–South Dakota: fewer than 5 a yearSD–Iowa: fewer than 5 a yearIA–Indiana: fewer than 5 a yearIN–Ohio: 0.05 per 1,000 babiesOH0.05Pennsylvania: 0.04 per 1,000 babiesPA0.04New Jersey: 0.10 per 1,000 babiesNJ0.10Connecticut: fewer than 5 a yearCT–Rhode Island: fewer than 5 a yearRI–California: 0.11 per 1,000 babiesCA0.11Utah: fewer than 5 a yearUT–Colorado: fewer than 5 a yearCO–Nebraska: fewer than 5 a yearNE–Missouri: fewer than 5 a yearMO–Kentucky: fewer than 5 a yearKY–West Virginia: fewer than 5 a yearWV–Virginia: fewer than 5 a yearVA–Maryland: fewer than 5 a yearMD–Delaware: fewer than 5 a yearDE–Arizona: fewer than 5 a yearAZ–New Mexico: fewer than 5 a yearNM–Kansas: fewer than 5 a yearKS–Arkansas: fewer than 5 a yearAR–Tennessee: fewer than 5 a yearTN–North Carolina: 0.07 per 1,000 babiesNC0.07South Carolina: fewer than 5 a yearSC–District of Columbia: fewer than 5 a yearDC–Oklahoma: fewer than 5 a yearOK–Louisiana: fewer than 5 a yearLA–Mississippi: fewer than 5 a yearMS–Alabama: fewer than 5 a yearAL–Georgia: 0.02 per 1,000 babiesGA0.02Hawaii: fewer than 5 a yearHI–Texas: 0.07 per 1,000 babiesTX0.07Florida: 0.08 per 1,000 babiesFL0.08
Babies per 1,000 of the same sex, Lenny, boys, 2021–2025. Darker means more common.

Names with a similar history

These names rose and fell in step with Lenny: their share of US boys followed the most similar curve since 1880. If you like Lenny, they share its era and feel.

Lenny is also a nickname for Leonard.

Questions about the name Lenny

How popular is the name Lenny?

Lenny was the 1419th most popular name for boys in 2025, given to 128 babies. Its best year was 1961, when it ranked 556th with 199 babies. Over the last ten years it has moved down 275 places. More babies were named Lenny in the 1960s than in any other decade.

Is Lenny a boy or girl name?

In 2021–2025, 28% girls, 72% boys given the name Lenny in the US.

Where is Lenny most popular?

In 2021–2025, Lenny was most common in New York (0.14 per 1,000 boys), followed by Washington and California.