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Pio

#4,498 in 2025Boys' name

Pious, through Pius

Pio has been given to 356 babies in the U.S. since 1916. In 2025 it ranked #4,498 of 13,926 boys’ names in use. Its peak year was 2025, with 23 recorded.

Babies named Pio, 2025

1 in 144,000

Pio over time, 1880–2025

Boys
010203018801900192019401960198020002020

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 Gaps mean the name was given fewer than 5 times that year; these counts are unpublished.

Pio: meaning, origin, and history

Pious, through Pius

Deeper origin not confirmed in the cited records

What Pio means

Pio belongs to the name family reached through Pio → Pius. Its meaning is “pious”.

Origin, language, and formation

Pio is used in Esperanto and Italian.

Related names and everyday forms

Related names include Pius.

Pronunciation and spelling

In Esperanto, Pio is pronounced /ˈpio/.

American usage and historical context

In the United States, 356 boys were recorded with the name Pio between 1916 and 2025. Its highest annual count was 23 in 2025; its best national rank was #2,530 in 1926.

Over 5 years its rank rose, from #5,631 in 2020 to #4,498 in 2025. Over 10 years its rank rose, from #13,536 in 2015 to #4,498 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 Pio?

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

Among all babies, 2025
1 in 144,000
23 of 3,315,165 births
Among boys only
1 in 74,300
<0.01% of boys
Rank, 2025
#4,498
of 13,926 boys’ names in use
Coin-flip room size
99,910 kids
Even odds of a second one

Where Pio 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 99,910 children born in 2025 and it's an even bet that one of them is another Pio. In a class of 30 the chance is Under 1%.

When Pios were born

Half of everyone ever recorded as Pio was born before 2004 — so the typical Pio is around 21 today.

Median birth year
2004
About 21 years old
Biggest decade
2020s
24.4% of all use
Born in the last 25 years
54.2%
A modern name
Recorded since 1950
260
People you could plausibly meet
Choose a decade

2020s — 24.4% of all recorded uses (87).

Is Pio 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
+2,652
Places climbed
Rank vs 5 years ago
+1,133
Places climbed
Rank vs 10 years ago
+9,038
Places climbed
Births vs 10 years ago
4.60×
More babies than then
Share of its own peak
100.0%
Peak was 2025 (23)
Years since peak
Peaking now
At its all-time high
Year-to-year steadiness
Volatile
60.2% average annual change
Best rank ever
#2,530
1926

Where Pio is used

Across 1910–2025, Pio was most concentrated in Texas — about 1 in — boys, against 1 in 2,652,691 across all states with data.

00 per 100,000

Most concentrated

  1. 1Texas1 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. Pio has too little recent state data to map, so this covers all years from 1910.

Pio around the world

Where Pio 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
    2010–2023
    #4,108
    in 2023
  • Ireland
    1969–2022
    #779
    in 2022
  • France
    1925–2025
    #219
    in 2025
  • Canada
    2017–2023
    #3,103
    in 2023
  • South Australia
    1957–1963
    #563
    in 1963

Popularity data from Office for National Statistics, Central Statistics Office, 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. CSO, CBS SA data under CC BY 4.0. INSEE data under Licence Ouverte / Etalab 2.0. StatCan data under Statistics Canada Open Licence.

Pio by the numbers

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

As a boy's name

Rank in 2025
#4,498
Trend vs 5 yrs ago
Up 1,133
Best rank ever
#2,530
1926
Peak year
2025
23 that year
First recorded
1916
Last recorded
2025
All-time count
356
Count in 2025
23

Names similar to Pio

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

PiotrSerapioScipioPioetScorpioProcopioPioquintoPolicarpio

Sibling names for Pio

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 Pio

Top names of 2025, Pio's peak yearThe 2020s in fullOther names that peaked in 1926Boys' names starting with P