Is Jeff a boy or girl name?

Jeff is primarily a boy name in U.S. records: about 0% of recorded births are female.

What is the average age of someone named Jeff?

The average Jeff alive today is an estimated 61 years old. People named Jeff were most often born around 1962.

When was the name Jeff most popular?

Jeff peaked in 1961 with 9,474 recorded births in the United States.

What vibe does the name Jeff have?

In one report's words: cordial, direct, workaday. Jeff ranks #614 among all U.S. first names since 1880.

Jeff — Name Meaning, Age & Vibe | Understand Your Name

UNDERSTAND YOUR NAME

Origin & Meaning

AI-Written

Short form of Jeffrey or Geoffrey, derived from Germanic elements generally interpreted as peace combined with territory or pledge. American parents began writing the standalone monosyllable on birth certificates in the late nineteenth century. It gained independent momentum by midcentury, shedding the formality of its longer parent name.

Also answers toJeffrey, Geoff

Fig. 1 — Births per annum, 1880–2025

SSA Data

1880 peak: 9,474 souls, A.D. 1961 2025

2025: 35 born, falling ↘

Estimated Age

61 yrs

Most Jeffs were born around 1962 — remembers exactly where the TV was in July 1969.

Peak Reign

1961

№49 that year

Generation

Boomer, 59%

then Gen X 31% · Millennial 5%

Rarity

Top 2000 all-time

≈121K ever born · now falling

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Estimates from SSA birth records and standard survival rates. Immigration and name changes not counted.

Jeff grew up with

SSA Data

G.I. Joe and Barbie·the moon landing on a living-room TV·slot cars

Generation Distribution — Living Jeffs

SSA Data

Boomer 59%Gen X 31%Millennial 5%Gen Z 2%

Data vs. Humans

What the data says

SSA Data

SSA: Jeff peaked in 1961.

Estimated average age: 61.

What people think

Opinion Ledger

Awaiting human data — cast the first votes.

Jeff sounds like someone born in —

Fig. 2 — Style Coordinates

AI Seed · Votes Override at n=30

Vintage Modern

Formal Casual

Soft Strong

Cast your vote No account · one tap

In your mind, Jeff sounds more like a —

Voting opens when the ledger goes live. No account. 24h cooldown per question.

Public Opinion Ledger

Ledger Opens Soon

The public has not yet weighed in on Jeff. Early ballots carry the most weight.

First Impressions

AI-Written

The name lands with the ease of rolled-up sleeves. Most bearers are around sixty-one years old, firmly anchored to the era of wood-paneled station wagons and little league dugouts. A Jeff is pictured knowing the exact location of a metric socket set. The name rarely requires a formal introduction.

Field Notes

AI-Written

Field Note 01

Almost entirely male in the record, the name peaked in 1961 when about nine thousand boys received it on their birth certificates.

Field Note 02

Boomers account for fifty-nine percent of living bearers, with Generation X holding thirty-one percent.

Field Note 03

Registrations declined to thirty-five by 2025, shifting the name from suburban default to grandfather status.

Notable Jeffs

AI-Written

Jeff Bridgesactor, b. 1949

Jeff Goldblumactor, b. 1952

Jeff Danielsactor, b. 1955

Jeff Bezosentrepreneur, b. 1964

Adjacent Names

Greg · Brad · Todd · Scott · Steve · Doug

Ephemera — If Jeff were a…

AI-Written

City

Akron, Ohio

Color

Chambray blue

Job

High school athletic director

And what of your name?