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Luiz

#3,910 in 2025Boys' name

Form of Louis

Luiz has been given to 3,349 babies in the U.S. since 1915. In 2025 it ranked #3,910 of 13,926 boys’ names in use. Its peak year was 2000, with 112 recorded.

Babies named Luiz, 2025

1 in 118,000

Luiz over time, 1880–2025

Boys
05010015018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Luiz: meaning, origin, and history

Form of Louis

Deeper origin not confirmed in the cited records

What Luiz means

Luiz is a form of Louis.

Meaning behind the documented name family

Luiz is a form of Louis. Louis has more than one origin or interpretation.

Origin, language, and formation

Luiz is used in Portuguese.

Related names and everyday forms

Related names include Louis.

American usage and historical context

In the United States, 3,349 boys were recorded with the name Luiz between 1915 and 2025. Its highest annual count was 112 in 2000; its best national rank was #1,157 in 1992.

Over 5 years its rank rose, from #4,960 in 2020 to #3,910 in 2025. Over 10 years its rank fell, from #2,890 in 2015 to #3,910 in 2025.

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 Luiz?

Everything below is computed from the 2025 data — the most recent year available.

Among all babies, 2025
1 in 118,000
28 of 3,315,165 births
Among boys only
1 in 61,000
<0.01% of boys
Rank, 2025
#3,910
of 13,926 boys’ names in use
Coin-flip room size
82,069 kids
Even odds of a second one

Where Luiz 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 2025 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 82,069 children born in 2025 and it's an even bet that one of them is another Luiz. In a class of 30 the chance is Under 1%.

When Luizs were born

Half of everyone ever recorded as Luiz was born before 1996 — so the typical Luiz is around 29 today.

Median birth year
1996
About 29 years old
Biggest decade
1990s
25.6% of all use
Born in the last 25 years
37.0%
Spread across generations
Recorded since 1950
3,138
People you could plausibly meet
Choose a decade

1990s — 25.6% of all recorded uses (858).

Is Luiz 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
+1,269
Places climbed
Rank vs 5 years ago
+1,050
Places climbed
Rank vs 10 years ago
−1,020
Places dropped
Births vs 10 years ago
0.68×
Fewer babies than then
Share of its own peak
25.0%
Peak was 2000 (112)
Years since peak
25
Years
Year-to-year steadiness
Shifting
22.5% average annual change
Best rank ever
#1,157
1992

Spellings of Luiz

Luiz is not the most common spelling — Louis is, with 33.7% against Luiz's 0.28%.

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.

Where Luiz is used

Across 1910–2025, Luiz was most concentrated in California — about 1 in 20,000 boys, against 1 in 56,455 across all states with data. It was least common in Wisconsin (1 in —).

05 per 100,000

Most concentrated

  1. 1California1 in 20,000
  2. 2Texas1 in 33,333
  3. 3Arizona1 in 100,000
  4. 4Florida1 in 100,000
  5. 5New York1 in 100,000
  6. 6Colorado1 in —
  7. 7Georgia1 in —
  8. 8Illinois1 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. Luiz has too little recent state data to map, so this covers all years from 1910.

Luiz around the world

Where Luiz 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
    2000–2025
    #5,137
    in 2025
  • France
    1923–2025
    #3,285
    in 2025
  • Canada
    2012–2022
    #2,959
    in 2022
  • South Australia
    2012–2012
    #771
    in 2012

Popularity data from Office for National Statistics, Institut national de la statistique et des études économiques, Statistics Canada and Consumer and Business Services (South Australia). ONS data under Open Government Licence v3.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence. CBS SA data under CC BY 4.0.

Notable people named Luiz

People whose public names include Luiz, backed by Wikidata given-name records and ordered by linked Wikimedia pages. The name may be a middle name.

People data from Wikidata (CC0). Fame is measured, not judged — the order reflects how widely each person is documented, not the U.S. birth records popularity this page is otherwise about.

Luiz in other languages

Cross-language forms and variants of Luiz. Linked forms have their own page here.

LuisLuís

Variant forms from Wikidata (CC0). Most are used mainly outside the United States; U.S. birth records statistics cover US usage only.

Luiz by the numbers

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

As a boy's name

Rank in 2025
#3,910
Trend vs 5 yrs ago
Up 1,050
Best rank ever
#1,157
1992
Peak year
2000
112 that year
First recorded
1915
Last recorded
2025
All-time count
3,349
Count in 2025
28

Names similar to Luiz

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

LuigiLuiLuianLuieLuisLuisangelLuisaMuizCruizLuisenriqueLuigyMarquizLuiggiLuismiguelLuiseLuisdavidLuisalbertoLuisitoLuismarioRuizLuiscarlosLuismanuelLuisantonioLuisfernando

Names with a curve like Luiz

Not spelling — timing. These names rose, peaked and faded in the same years as Luiz, so they read as being from the same moment even when they look nothing alike.

DomonicMikalDajuanJavanLeobardoFlavioNicklasQuentonRashaunRayshawnNicklausJarett

Sibling names for Luiz

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 Luiz

Top names of 2000, Luiz's peak yearThe 2000s in fullOther names that peaked in 1992Boys' names starting with LLouis Variations & NicknamesPortuguese Boy NamesPortuguese Names