Total births
999
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.
- 999
- total births
- 1885–2021
- years on record
- 1950s
- peak decade
- 20%
- born in that 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.
- 999 total births
- 1885–2021 years on record
- 1950s peak decade
- 20% born in that decade
Data updated Jun 2026
The verdict
999 boys have been named Rennie since 1885, peaking in the 1950s, last recorded in 2021.
- 999
- total births
- 1885–2021
- years on record
- 1950s
- peak decade
- 20%
- born in that decade
1950s
Peak decade
20% of everyone ever named Rennie was born in this single decade.
1948
Single peak year
32 babies were named Rennie in 1948 - its busiest year on record.
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 at a glance
Last recorded 2021Peak year
1948
Current rank
Unranked
Active since
1885
Rennie popularity over time - boys
Annual U.S. births registered with the Social Security Administration · 1885–2021
- Peak year (1948)
- 32
- Annual births at peak, across 137 years of records
Rennie popularity over time - girls
940 total births recorded since 1880 (Rennie as girls' name)
Rennie by decade
Total births in each ten-year window, peak vs trough at a glance
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
- 1880s 5
1880s
5 births
- 1910s 30
1910s
30 births
- 1920s 72
1920s
72 births
- 1930s 74
1930s
74 births
- 1940s
1940s
139 births
- 1950s
1950s
201 births
- 1960s
1960s
192 births
- 1970s
1970s
116 births
- 1980s 80
1980s
80 births
- 1990s 52
1990s
52 births
- 2000s 28
2000s
28 births
- 2010s 5
2010s
5 births
- 2020s 5
2020s
5 births
What this shows Peak: 1950s at 201 births (20% of all-time use).
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
Rennie by state
Where Rennie concentrates geographically, total births since 1885
| 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 last appearance in the data was 2021. 32 babies were born in 1948, its single highest year.
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
- Weighing it against an alternative? Put two names side by side. Compare 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
Rene Boy
#989 50,940 births
Reno Boy
#3340 4,160 births
Renato Boy
#2480 3,292 births
Renaldo Boy
#6864 2,879 births
Ren Boy
#1146 2,818 births
Compare Rennie side by side: Rennie vs Rene Rennie vs Reno Rennie vs Renato
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Rennie: Baby Name Since 1885 - 999 Births, Peak 1948." NameAlmanac. Accessed via https://namealmanac.com/name/rennie. Licensed CC BY-SA 4.0.
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 June 2026.