Di

UnisexGirls' nameBoys' name

Short form of Diana

Di has been given to 70 babies in the U.S. since 1946. 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 1958, with 7 recorded. It's used for both sexes: 81% girls, 19% boys all-time.

Babies named Di, 1999

1 in 527,000

Di over time, 1880–2025

GirlsBoys
0246818801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.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

In 1999, Di went to 47% girls and 53% boys.

19461999

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.

Di: meaning, origin, and history

Short form of Diana

Deeper origin not confirmed in the cited records

What Di means

Di is a short form of Diana.

Documented naming usage and pronunciation

Di is used in English.

Another recorded pronunciation is /ˈdaɪ/ for Di.

Meaning behind the documented name family

The name developed through Di → Diana → Dīāna. The family’s meaning is “god”, recorded in Latin with the source elements dīvus.

Related names and everyday forms

Related names include Diana and Diane.

Pronunciation and spelling

In English, Di is pronounced /daɪ/.

American usage and historical context

In the United States, 57 girls were recorded with the name Di between 1946 and 1999. Its highest annual count was 7 in 1958; its best national rank was #4,556 in 1946.

In the United States, 13 boys were recorded with the name Di between 1998 and 1999. Its highest annual count was 8 in 1999; its best national rank was #7,331 in 1999.

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 Di?

Di had fewer than 5 recorded uses in 2025, so these figures use 1999, the last year it was published.

Among all babies, 1999
1 in 527,000
7 of 3,692,373 births
Among girls only
1 in 253,000
<0.01% of girls
Rank, 1999
Unranked
Fewer than 5 uses
Coin-flip room size
365,624 kids
Even odds of a second one

Where Di sits on the popularity scale

Rarest published (5 a year)#1 — Olivia (13,544)

Chance at least one other child shares the name

If the other children were drawn at random from the 1999 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 365,624 children born in 1999 and it's an even bet that one of them is another Di. In a class of 30 the chance is Under 1%.

When Dis were born

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

Median birth year
1958
About 67 years old
Biggest decade
1950s
40.4% of all use
Born in the last 25 years
38.6%
Spread across generations
Recorded since 1950
51
People you could plausibly meet
Choose a decade

1950s — 40.4% of all recorded uses (23).

Is Di 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 1958 (7)
Years since peak
67
Years
Year-to-year steadiness
Shifting
16.7% average annual change
Best rank ever
#4,556
1946

Di around the world

Where Di 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.

  • South Australia
    1997–1997
    #681
    in 1997

Popularity data from Consumer and Business Services (South Australia). CBS SA data under CC BY 4.0.

Di by the numbers

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

As a girl's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#4,556
1946
Peak year
1958
7 that year
First recorded
1946
Last recorded
1999
All-time count
57
Count in 2025
Under 5

As a boy's name

Rank in 2025
Unranked
Trend vs 5 yrs ago
—
Best rank ever
#7,331
1999
Peak year
1999
8 that year
First recorded
1998
Last recorded
1999
All-time count
13
Count in 2025
Under 5

Names similar to Di

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

Sibling names for Di

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 Di