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Liddy

Girls' name

Diminutive of Elizabeth

Liddy has been given to 84 babies in the U.S. since 1910. It was used fewer than 5 times in 2025, so it doesn't appear in the latest year's list — today it's a genuinely uncommon pick. Its peak year was 2004, with 8 recorded.

Babies named Liddy, 2024

1 in 669,000

Liddy over time, 1880–2025

Girls
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Liddy: meaning, origin, and history

Diminutive of Elizabeth

Deeper origin not confirmed in the cited records

What Liddy means

Liddy is a diminutive of Elizabeth.

Documented naming usage and pronunciation

Liddy is used in English.

Another recorded pronunciation is /ˈlɪd.i/ for Liddy.

Meaning behind the documented name family

The name developed through Liddy → Elizabeth. The family’s meaning is “my God is an oath”, recorded in English with the source elements ʔĕlîšeḇaʕ.

Related names and everyday forms

Related names include Elizabeth and Lydia.

American usage and historical context

In the United States, 84 girls were recorded with the name Liddy between 1910 and 2024. Its highest annual count was 8 in 2004; its best national rank was #2,613 in 1910.

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 Liddy?

Liddy had fewer than 5 recorded uses in 2025, so these figures use 2024, the last year it was published.

Among all babies, 2024
1 in 669,000
5 of 3,342,801 births
Among girls only
1 in 324,000
<0.01% of girls
Rank, 2024
Unranked
Fewer than 5 uses
Coin-flip room size
463,412 kids
Even odds of a second one

Where Liddy 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 2024 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 463,412 children born in 2024 and it's an even bet that one of them is another Liddy. In a class of 30 the chance is Under 1%.

When Liddys were born

Half of everyone ever recorded as Liddy was born before 2011 — so the typical Liddy is around 14 today.

Median birth year
2011
About 14 years old
Biggest decade
2010s
41.7% of all use
Born in the last 25 years
69.0%
A modern name
Recorded since 1950
68
People you could plausibly meet
Choose a decade

2010s — 41.7% of all recorded uses (35).

Is Liddy 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
—
Not ranked then
Rank vs 5 years ago
New entry
Not ranked then
Rank vs 10 years ago
—
Not ranked then
Births vs 10 years ago
—
Not published both years
Share of its own peak
0%
Peak was 2004 (8)
Years since peak
21
Years
Year-to-year steadiness
Shifting
13.0% average annual change
Best rank ever
#2,613
1910

Spellings of Liddy

Liddy is not the most common spelling — Linda is, with 69.6% against Liddy's <0.01%.

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.

Liddy around the world

Where Liddy 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
    2001–2001
    #4,844
    in 2001

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

Liddy by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#2,613
1910
Peak year
2004
8 that year
First recorded
1910
Last recorded
2024
All-time count
84
Count in 2025
Under 5

Names similar to Liddy

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

LidieLidyaLeddyLidiyaHeddyLidwinaBuddyHaddyLidianaEddyPaddyMaddyFreddyLideaTeddyLidijaBiddyKaddyLidyLiddiaLiduvinaLiddieMeiddyAddy

Sibling names for Liddy

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 Liddy

Top names of 2004, Liddy's peak yearThe 2000s in fullOther names that peaked in 1910Girls' names starting with L