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Leidy

#5,833 in 2025Girls' name

Variant of Lady

Leidy has been given to 871 babies in the U.S. since 1974. In 2025 it ranked #5,833 of 17,293 girls’ names in use. Its peak year was 2006, with 50 recorded.

Babies named Leidy, 2025

1 in 158,000

Leidy over time, 1880–2025

Girls
020406018801900192019401960198020002020

Based on births in the U.S. Babies given the name each year. Hover the chart — or focus it and use the arrow keys — for any year. Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Leidy: meaning, origin, and history

Variant of Lady

surname transfer

What Leidy means

Leidy is a variant of Lady.

Meaning behind the documented name family

The name developed through Leidy → Lady. The family’s meaning is “bread kneader”, recorded in the naming reference for Lady.

Origin, language, and formation

Leidy is used in English. Its origins include surname transfer.

Leidy is recorded as a surname transferred into given-name use.

Related names and everyday forms

Related names include Lady.

American usage and historical context

In the United States, 871 girls were recorded with the name Leidy between 1974 and 2025. Its highest annual count was 50 in 2006; its best national rank was #3,290 in 2006.

Over 5 years its rank fell, from #5,409 in 2020 to #5,833 in 2025. Over 10 years its rank fell, from #4,930 in 2015 to #5,833 in 2025.

Sources & methodologyReferences, data & attribution

Meaning, origin, and language notes draw on the references below.

American popularity figures use published Social Security Administration records for this exact spelling. Counts below five for a name, sex, and year are omitted.

Wiktionary material is available under CC BY-SA 4.0.

How common is Leidy?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 158,000
21 of 3,315,165 births
Among girls only
1 in 76,500
<0.01% of girls
Rank, 2025
#5,833
of 17,293 girls’ names in use
Coin-flip room size
109,425 kids
Even odds of a second one

Where Leidy sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 2025 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.

Class of 20Under 1%
Class of 30Under 1%
Grade of 100Under 1%
School of 500Under 1%

Put another way: gather 109,425 children born in 2025 and it's an even bet that one of them is another Leidy. In a class of 30 the chance is Under 1%.

When Leidys were born

Half of everyone ever recorded as Leidy was born before 2009 — so the typical Leidy is around 16 today.

Median birth year
2009
About 16 years old
Biggest decade
2000s
35.4% of all use
Born in the last 25 years
80.7%
A modern name
Recorded since 1950
871
People you could plausibly meet
Choose a decade

2000s — 35.4% of all recorded uses (308).

Is Leidy rising or falling?

Rank movement and count movement can disagree — the number of distinct names in use keeps growing, so a name holding a steady count still slides down the list. Both are shown.

Rank vs 1 year ago
−1,216
Places dropped
Rank vs 5 years ago
−424
Places dropped
Rank vs 10 years ago
−903
Places dropped
Births vs 10 years ago
0.75×
Fewer babies than then
Share of its own peak
42.0%
Peak was 2006 (50)
Years since peak
19
Years
Year-to-year steadiness
Shifting
23.0% average annual change
Best rank ever
#3,290
2006

Spellings of Leidy

Leidy is not the most common spelling — Wendy is, with 32.3% against Leidy's 0.11%.

Grouped by closeness of spelling (up to two letter changes), same sex, with a floor on all-time use. It catches Sophia/Sofia and Aiden/Ayden, and misses spellings that sound alike but look different, like Sean and Shawn.

Where Leidy is used

Across 1910–2025, Leidy was most concentrated in California — about 1 in 100,000 girls, against 1 in 250,630 across all states with data. It was least common in New York (1 in —).

01 per 100,000

Most concentrated

  1. 1California1 in 100,000
  2. 2Texas1 in 100,000
  3. 3Florida1 in —
  4. 4New Jersey1 in —
  5. 5New York1 in —

Shading is the share of that state's recorded girls given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Leidy has too little recent state data to map, so this covers all years from 1910.

Leidy around the world

Where Leidy ranks in official birth records elsewhere in the world. Rankings only — the number of births isn’t comparable between places, so it isn’t shown.

  • France
    1990–2009
    #6,098
    in 2009
  • Canada
    1996–1996
    #2,558
    in 1996

Popularity data from Institut national de la statistique et des études économiques and Statistics Canada. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Leidy by the numbers

The raw record for each sex the name is used for.

As a girl's name

Rank in 2025
#5,833
Trend vs 5 yrs ago
Down 424
Best rank ever
#3,290
2006
Peak year
2006
50 that year
First recorded
1974
Last recorded
2025
All-time count
871
Count in 2025
21

Names similar to Leidy

Matched on shared beginnings and endings, similar length, and comparable popularity.

LeinaLeiahLeiraLeiyaLeianaKeidyLeianiLeitaLeiannaLeighlaLeishaLeiLeidaLeilanaLeiliLeiloniLeithaFraidyLeireLeilahLeilanieJaidyLeilanniLeigha

Sibling names for Leidy

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

Explore around Leidy

Top names of 2006, Leidy's peak yearThe 2000s in fullOther names that peaked in 2006Girls' names starting with L