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Kaustubh

Boys' name

Literal meaning not recorded; Sanskrit origin

Kaustubh has been given to 30 babies in the U.S. since 2004. 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 2004, with 7 recorded.

Babies named Kaustubh, 2011

1 in 610,000

Kaustubh over time, 1880–2025

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Kaustubh: meaning, origin, and history

Literal meaning not recorded; Sanskrit origin

Sanskrit

What Kaustubh means

Kaustubh is a given name.

Origin, language, and formation

Kaustubh is used in English. Its origins include Sanskrit.

American usage and historical context

In the United States, 30 boys were recorded with the name Kaustubh between 2004 and 2011. Its highest annual count was 7 in 2004; its best national rank was #9,454 in 2004.

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 Kaustubh?

Kaustubh had fewer than 5 recorded uses in 2025, so these figures use 2011, the last year it was published.

Among all babies, 2011
1 in 610,000
6 of 3,657,935 births
Among boys only
1 in 317,000
<0.01% of boys
Rank, 2011
Unranked
Fewer than 5 uses
Coin-flip room size
422,582 kids
Even odds of a second one

Where Kaustubh 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 2011 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 422,582 children born in 2011 and it's an even bet that one of them is another Kaustubh. In a class of 30 the chance is Under 1%.

When Kaustubhs were born

Half of everyone ever recorded as Kaustubh was born before 2007 — so the typical Kaustubh is around 18 today.

Median birth year
2007
About 18 years old
Biggest decade
2000s
63.3% of all use
Born in the last 25 years
100.0%
A modern name
Recorded since 1950
30
People you could plausibly meet
Choose a decade

2000s — 63.3% of all recorded uses (19).

Is Kaustubh 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 2004 (7)
Years since peak
21
Years
Year-to-year steadiness
Steady
10.0% average annual change
Best rank ever
#9,454
2004

Kaustubh around the world

Where Kaustubh 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.

  • England & Wales
    2019–2019
    #4,702
    in 2019

Popularity data from Office for National Statistics. ONS data under Open Government Licence v3.0.

Kaustubh 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
#9,454
2004
Peak year
2004
7 that year
First recorded
2004
Last recorded
2011
All-time count
30
Count in 2025
Under 5

Names similar to Kaustubh

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

KauriKaulderKaushalKauaiKaulanaKaustavKaulinKaungKaushikKaunerKauanKauaShubh

Sibling names for Kaustubh

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 Kaustubh

Top names of 2004, Kaustubh's peak yearThe 2000s in fullOther names that peaked in 2004Boys' names starting with K