Dat
Boys' nameMeaning not yet documented
Dat has been given to 534 babies in the U.S. since 1979. 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 1981, with 26 recorded.
Babies named Dat, 2020
1 in 668,000
Dat over time, 1880–2025
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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.
How common is Dat?
Dat had fewer than 5 recorded uses in 2025, so these figures use 2020, the last year it was published.
- Among all babies, 2020
- 1 in 668,000
- 5 of 3,342,313 births
- Among boys only
- 1 in 345,000
- <0.01% of boys
- Rank, 2020
- Unranked
- Fewer than 5 uses
- Coin-flip room size
- 463,344 kids
- Even odds of a second one
Where Dat sits on the popularity scale
Chance at least one other child shares the name
If the other children were drawn at random from the 2020 national name distribution. Real classrooms cluster by region and community, so treat these as a floor, not a ceiling.
Put another way: gather 463,344 children born in 2020 and it's an even bet that one of them is another Dat. In a class of 30 the chance is Under 1%.
When Dats were born
Half of everyone ever recorded as Dat was born before 1996 — so the typical Dat is around 29 today.
- Biggest decade
- 1990s
- 30.9% of all use
- Born in the last 25 years
- 50.4%
- A modern name
- Recorded since 1950
- 534
- People you could plausibly meet
1990s — 30.9% of all recorded uses (165).
Is Dat 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 1981 (26)
- Years since peak
- 44
- Years
- Year-to-year steadiness
- Volatile
- 29.2% average annual change
Where Dat is used
Across 1910–2025, Dat was most concentrated in California — about 1 in — boys, against 1 in 300,943 across all states with data. It was least common in Texas (1 in —).
Most concentrated
- 1California1 in —
- 2Texas1 in —
Shading is the share of that state's recorded boys given this name, not the raw count — otherwise the map would just show which states are biggest. Unshaded states have no published records for this period. U.S. birth records suppress state-year counts below 5; state counts therefore don't add up to the national total. Every state links to its full rankings. Dat has too little recent state data to map, so this covers all years from 1910.
Dat around the world
Where Dat 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.
- France1980–1980#2,588in 1980
- Canada1991–1998#1,731in 1998
- South Australia1985–2005#643in 2005
Popularity data from Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.
Dat by the numbers
The raw record for each sex the name is used for.
Names similar to Dat
Matched on shared beginnings and endings, similar length, and comparable popularity.
Sibling names for Dat
Names from the same era and popularity tier — the two things that make a sibling set feel deliberate — skipping lookalike spellings and shared initials.