Tibby

Boys' name

Diminutive of Isabel or Elizabeth

Tibby has been given to 5 babies in the U.S. since 1957. 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 1957, with 5 recorded.

Babies named Tibby, 1957

1 in 840,000

Tibby over time, 1880–2025

Boys

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Tibby: meaning, origin, and history

Diminutive of Isabel or Elizabeth

Deeper origin not confirmed in the cited records

What Tibby means

Tibby is a diminutive of Isabel or Elizabeth.

Origin, language, and formation

Tibby is used in English.

Related names and everyday forms

Related names include Isabel and Elizabeth.

American usage and historical context

In the United States, 5 boys were recorded with the name Tibby between 1957 and 1957. Its highest annual count was 5 in 1957; its best national rank was #4,503 in 1957.

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 Tibby?

Tibby had fewer than 5 recorded uses in 2025, so these figures use 1957, the last year it was published.

Among all babies, 1957: 1 in 840,000; 5 of 4,201,368 births
Among boys only: 1 in 431,000; <0.01% of boys
Rank, 1957: Unranked; Fewer than 5 uses
Coin-flip room size: 582,434 kids; Even odds of a second one

Where Tibby 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 1957 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 582,434 children born in 1957 and it's an even bet that one of them is another Tibby. In a class of 30 the chance is Under 1%.

When Tibbys were born

Half of everyone ever recorded as Tibby was born before 1957 — so the typical Tibby is around 68 today.

Median birth year: 1957; About 68 years old
Biggest decade: 1950s; 100.0% of all use
Born in the last 25 years: 100.0%; A modern name
Recorded since 1950: 5; People you could plausibly meet

Choose a decade

1950s — 100.0% of all recorded uses (5).

Is Tibby 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 1957 (5)
Years since peak: 68; Years
Year-to-year steadiness: Not enough data; Too few years
Best rank ever: #4,503; 1957

Spellings of Tibby

Tibby is not the most common spelling — Bobby is, with 78.1% against Tibby's <0.01%.

Bobby78.1%315,053
Toby8.6%34,846
Timmy6.4%25,755
Kirby3.6%14,532
Robby2.6%10,565
Tobey0.42%1,698
Irby0.27%1,104
Tibby<0.01%5

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.

Tibby 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: #4,503; 1957
Peak year: 1957; 5 that year
First recorded: 1957
Last recorded: 1957
All-time count: 5
Count in 2025: Under 5

Names similar to Tibby

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

Lubby Libby Tabby Dobby Hobby Ebby Kobby Bubby Gabby Chubby Cubby Tiberias Tibor Abby Tobby Tiburcio Tiberius Robby Bobby

Sibling names for Tibby

Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.

For a sister

Sherie Evonne Joanie Vickey Maribeth Vikki Lavern Mariann

For a brother

Lonny Hayward Danial Von Michel Burt Fritz Curtiss

Explore around Tibby

Top names of 1957, Tibby's peak year The 1950s in full Other names that peaked in 1957 Boys' names starting with T