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Nilo

#3,820 in 2025Boys' name

Literal meaning not recorded

Nilo has been given to 404 babies in the U.S. since 1917. In 2025 it ranked #3,820 of 13,926 boys’ names in use. Its peak year was 2024, with 31 recorded.

Babies named Nilo, 2025

1 in 114,000

Nilo over time, 1880–2025

Boys
01020304018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Nilo: meaning, origin, and history

Literal meaning not recorded

Deeper origin not confirmed in the cited records

What Nilo means

Nilo is a given name.

Origin, language, and formation

Nilo is used in Portuguese.

Pronunciation and spelling

In Portuguese, Nilo is pronounced /ˈni.lu/.

American usage and historical context

In the United States, 404 boys were recorded with the name Nilo between 1917 and 2025. Its highest annual count was 31 in 2024; its best national rank was #3,537 in 1935.

Over 5 years its rank rose, from #5,625 in 2020 to #3,820 in 2025. Over 10 years its rank rose, from #8,512 in 2015 to #3,820 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 Nilo?

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

Among all babies, 2025
1 in 114,000
29 of 3,315,165 births
Among boys only
1 in 58,900
<0.01% of boys
Rank, 2025
#3,820
of 13,926 boys’ names in use
Coin-flip room size
79,239 kids
Even odds of a second one

Where Nilo 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 79,239 children born in 2025 and it's an even bet that one of them is another Nilo. In a class of 30 the chance is Under 1%.

When Nilos were born

Half of everyone ever recorded as Nilo was born before 2015 — so the typical Nilo is around 10 today.

Median birth year
2015
About 10 years old
Biggest decade
2020s
36.9% of all use
Born in the last 25 years
62.9%
A modern name
Recorded since 1950
346
People you could plausibly meet
Choose a decade

2020s — 36.9% of all recorded uses (149).

Is Nilo 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
−156
Places dropped
Rank vs 5 years ago
+1,805
Places climbed
Rank vs 10 years ago
+4,692
Places climbed
Births vs 10 years ago
3.22×
More babies than then
Share of its own peak
93.5%
Peak was 2024 (31)
Years since peak
1
Years
Year-to-year steadiness
Volatile
46.5% average annual change
Best rank ever
#3,537
1935

Spellings of Nilo

Nilo is not the most common spelling — Bill is, with 25.8% against Nilo's 0.06%.

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 Nilo is used

Across 1910–2025, Nilo was most concentrated in California — about 1 in — boys, against 1 in 1,225,099 across all states with data. It was least common in Texas (1 in —).

00 per 100,000

Most concentrated

  1. 1California1 in —
  2. 2Florida1 in —
  3. 3Texas1 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. Nilo has too little recent state data to map, so this covers all years from 1910.

Nilo around the world

Where Nilo 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
    2020–2023
    #3,524
    in 2023
  • France
    1924–2025
    #2,817
    in 2025
  • Canada
    2024–2024
    #3,231
    in 2024
  • South Australia
    1975–1975
    #460
    in 1975

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.

Nilo by the numbers

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

As a boy's name

Rank in 2025
#3,820
Trend vs 5 yrs ago
Up 1,805
Best rank ever
#3,537
1935
Peak year
2024
31 that year
First recorded
1917
Last recorded
2025
All-time count
404
Count in 2025
29

Names similar to Nilo

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

NilanNilayNilsonNilsPhiloNileKailoKiloEmiloKamiloShiloNilesNilRiloSiloNileshCiriloIloMailoXiloMuriloNiltonMihailoNilav

Sibling names for Nilo

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 Nilo

Top names of 2024, Nilo's peak yearThe 2020s in fullOther names that peaked in 1935Boys' names starting with NShort Portuguese Boy Names