Isidro

Boy name · #1810 in 2025 · Uniqueness 64/100

Isidro is currently the #1810 boy name in the United States — 88 babies received it in 2025. A decade ago it stood at #1910, so the name has been rising over the past ten years. Roughly one in every 20,455 boys born in 2025 was named Isidro.

Babies named Isidro per year, 1880–2025. Source: SSA.

The 140-year story

Isidro first appears in the Social Security records in 1885, when 5 boys received the name. Its peak came in 2000, when 160 boys were named Isidro — good for #949 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.

Where is Isidro headed by 2030?
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Uniqueness: will there be another Isidro in class?

Isidro scores 64 out of 100 on our uniqueness scale, which blends current rarity with five-year momentum — putting it in the "distinctive" band. That middle band is the sweet spot many parents hunt for: recognizable without being everywhere.

Where Isidro is most common

State-level data for Isidro is sparse in 2025 — the name's footprint is too small for most states to report (the SSA suppresses counts under 5 per state for privacy).

Names like Isidro

Statistically, parents drawn to Isidro tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Genaro, Lazaro, Alexandro, Ramiro, and Pedro.

GenaroLazaroAlexandroRamiroPedroLisandroMauroAlvaro

Rank history (last 25 years)

YearBabies named IsidroRank
202588#1808
202494#1752
202378#1970
202290#1804
202183#1853
202074#1946
201961#2265
201867#2101
201769#2032
201669#2047
201576#1910
201473#1959
201372#1931
201292#1668
201194#1620
201088#1725
2009113#1472
2008133#1303
2007145#1215
2006131#1273
2005132#1201
2004115#1292
2003148#1049
2002140#1076
2001151#1004

Frequently asked questions

Is Isidro a popular boy name?

Isidro ranked #1810 among boys in 2025 with 88 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #1910.

When was the name Isidro most popular?

Isidro peaked in 2000, when 160 American boys received the name (ranked #949 that year). Since 2000 the name has declined from that high.

How rare is the name Isidro?

In 2025, roughly 1 in 20,455 newborn American boys was named Isidro. It scores 64/100 on our uniqueness scale (rarity blended with momentum), which we classify as "distinctive".

Data source: U.S. Social Security Administration name statistics, 1880–2025, national and state files. Counts reflect Social Security card applications; names with fewer than 5 occurrences in a state-year are suppressed by the SSA.