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Rennie

UnisexBoys' nameGirls' name

Literal meaning not recorded

Rennie has been given to 1,939 babies in the U.S. since 1885. 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 1948, with 32 recorded. It's used for both sexes: 52% boys, 48% girls all-time.

Babies named Rennie, 2021

1 in 678,000

Rennie over time, 1880–2025

BoysGirls
01020304018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Girls or boys — Rennie over time

In 2025, Rennie went to 100% girls and 0% boys.

18802025

A sex is only published in years it reached five applications, so a stretch at 0% or 100% means the other side stayed under that floor — not that it was never used.

Rennie: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Rennie means

Rennie is a given name.

Origin, language, and formation

Rennie is used in English.

American usage and historical context

In the United States, 999 boys were recorded with the name Rennie between 1885 and 2021. Its highest annual count was 32 in 1948; its best national rank was #1,069 in 1885.

In the United States, 940 girls were recorded with the name Rennie between 1880 and 2025. Its highest annual count was 20 in 1922; its best national rank was #904 in 1885.

Over 5 years its rank rose, from #13,171 in 2020 to #8,243 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 Rennie?

Rennie had fewer than 5 recorded uses in 2025, so these figures use 2021, the last year it was published.

Among all babies, 2021
1 in 678,000
5 of 3,389,958 births
Among boys only
1 in 350,000
<0.01% of boys
Rank, 2021
Unranked
Fewer than 5 uses
Coin-flip room size
469,949 kids
Even odds of a second one

Where Rennie sits on the popularity scale

Rarest published (5 a year)#1 — Liam (20,818)

Chance at least one other child shares the name

If the other children were drawn at random from the 2021 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 469,949 children born in 2021 and it's an even bet that one of them is another Rennie. In a class of 30 the chance is Under 1%.

When Rennies were born

Half of everyone ever recorded as Rennie was born before 1958 — so the typical Rennie is around 67 today.

Median birth year
1958
About 67 years old
Biggest decade
1950s
20.1% of all use
Born in the last 25 years
4.5%
Mostly a past generation
Recorded since 1950
679
People you could plausibly meet
Choose a decade

1950s — 20.1% of all recorded uses (201).

Is Rennie 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 1948 (32)
Years since peak
77
Years
Year-to-year steadiness
Volatile
39.8% average annual change
Best rank ever
#1,069
1885

Spellings of Rennie

Rennie is not the most common spelling — Dennis is, with 53.8% against Rennie's 0.09%.

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 Rennie is used — boys

Across 1910–2025, Rennie was most concentrated in California — about 1 in — boys, against 1 in 1,464,597 across all states with data. It was least common in New York (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2New York1 in —

Shading is the share of that state's recorded boys 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. Rennie has too little recent state data to map, so this covers all years from 1910.

Where Rennie is used — girls

Across 1910–2025, Rennie was most concentrated in California — about 1 in — girls, against 1 in 2,851,917 across all states with data. It was least common in New York (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2New 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. Rennie has too little recent state data to map, so this covers all years from 1910.

Rennie around the world

Where Rennie 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.

  • England & Wales
    2015–2025
    #5,137
    in 2025
  • Scotland
    1974–2025
    #762
    in 2025
  • South Australia
    1946–1991
    #481
    in 1991

Popularity data from Office for National Statistics, National Records of Scotland and Consumer and Business Services (South Australia). ONS, NRS data under Open Government Licence v3.0. CBS SA data under CC BY 4.0.

Rennie by the numbers

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

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#1,069
1885
Peak year
1948
32 that year
First recorded
1885
Last recorded
2021
All-time count
999
Count in 2025
Under 5

As a girl's name

Rank in 2025
#8,243
Trend vs 5 yrs ago
Up 4,928
Best rank ever
#904
1885
Peak year
1922
20 that year
First recorded
1880
Last recorded
2025
All-time count
940
Count in 2025
13

Names similar to Rennie

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

RennerRennyRenleyRenatoReneeSonnieVinnieRenlyRenanRenzoRenaldoRentonRenaldVonnieAntonieRenardRenardoLennieRennickRendellRennMannieRenwickBurnie

Sibling names for Rennie

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 Rennie

Top names of 1948, Rennie's peak yearThe 1940s in fullOther names that peaked in 1885Boys' names starting with R