Unisex name · since 1885

Rennie

Rennie has 999 recorded births since 1885 in federal Social Security data, most heavily in 1948 -- full year-by-year trend, decade aggregates, and state rankings follow.

#5,145 of 45,481
all-time among boys
999
born since 1885
1950s
peak decade

Rennie sits outside today's top ranks for boys, with 999 recorded since 1885.

Rennie has 999 recorded births among boys since 1885, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1950s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1885 to 2021.

  • #5,145 of 45,481 all-time among boys
  • 999 born since 1885
  • 1950s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Rennie ranks #5,145 of 45,481 boys' names by all-time recorded births (highest first). 999 born since 1885, peaking in the 1950s.

#5,145 of 45,481
all-time among boys
999
born since 1885
1950s
peak decade
Above the archive median
All-time archive position

Rennie's 999 recorded births place it above 88.68% of the 45,481 boys names in the full SSA archive.

2 jurisdictions
State-record footprint

The state file records this name in 2 jurisdictions, led by California.

Rennie's usage pattern, beyond the headline number

Rennie splits its recorded history at 1960: 48% of all births land in the more recent half, 52% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1885 (5 births) -- compare that against the 1948 peak of 32 for a sense of just how much the name's popularity has swung.

Rennie popularity over time - boys

Annual U.S. births registered with the Social Security Administration · 1885–2021

Last recorded 2021
Peak year (1948)
32
Annual births at peak, across 137 years of records
010203040 188519271939195019611972198319952021 5

Rennie popularity over time - girls

940 total births recorded since 1880 (Rennie as girls' name)

Unisex variant - 940 births
0510152025 188019131926194119541967198120142025 13

Rennie by decade

1950s is the heaviest window (201 births, 20% of the file).

1950s was Rennie's strongest decade.

201 babies received the name during that ten-year window, about 20% of all-time use.

Rennie births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 201 births (20% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

How Rennie compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Rennie's total volume

Rennie vs 15 similarly-sized boys names Scatter plot of 16 data points. 0%5%10%15%20% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year -61, 6%-23, 7.3%-57, 3.8%-64, 3.7%-58, 6.5%-114, 2.5%-36, 11.8%-57, 5.5%-146, 2.6%-82, 3.1%-55, 5.6%-112, 19.1%-34, 6.1%-59, 3.6%-46, 4.6%Rennie-137, 3.2%Rennie
Rennie vs 15 similarly-sized boys names

Rennie by state

Where Rennie concentrates geographically, total births since 1885

Geographically diffuse
Top 2 states by recorded births for the name Rennie
Rank State Visual share Births Share of total
#1 California
11 1.1%
#2 New York
10 1.0%
California share of Rennie's total US births 1.1%
Even split

11 of 999 births nationwide. Compared to a flat distribution across 2 reporting states.

Frequently Asked Questions

How popular is the name Rennie?
Rennie has been given to 999 babies in the U.S. since 1885, according to SSA data. Its archive ordinal is #5,145 of 45,481 among boys' names (total births, highest first). Its last appearance in the data was 2021. 32 babies were born in 1948, its single highest year.
Where does Rennie sit in the SSA name archive?
According to the U.S. Social Security Administration, Rennie ranks #5,145 of 45,481 boys' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Rennie most popular?
Rennie was most popular in the 1950s decade with 201 total births. The single peak year was 1948.
Where is Rennie most popular?
The top states for the name Rennie are California (11 births), New York (10 births).
Is Rennie a unisex name?
Yes, Rennie is used for both boys and girls. As a boy's name it has 999 births, and as a girl's name it has 940 births.
How long has the name Rennie been used?
Rennie has been recorded in Social Security data since 1885, spanning 137 years of data through 2021.
What names are similar to Rennie?
Names with a similar sound or spelling include Rene, Reno, Renato, Renaldo, and 4 more. These share a common prefix and are also used for boys.

What to do with Rennie's data

  • Rennie's decade-level peak was the 1950s (201 total births); usage has since declined to 5 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
  • California records the most Rennies (11 births) -- see the full state breakdown if geography matters to your decision. California names

Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.

Keep exploring Rennie

Nearby Names Like Rennie

Names with a similar sound, spelling, or feel to Rennie

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Rennie: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.

Data Sources

Data as of August 2026. Source: U.S. Social Security Administration (SSA).

According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1885–2021 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Rennie draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.