9BabyNames Baby names with meanings & US popularity data Italiano

Rio vs Charlotte

How Rio and Charlotte compare across 146 years of US Social Security Administration baby-name records — popularity history, peak years, current rank, and which name overtook which.

Open Name Tournament

Rio

Female · Spanish

Meaning: River

Charlotte

Female · French

Meaning: Tiny And Feminine. Also Feminine Of Charles Meaning Manly

US Popularity History — Side-by-Side

Annual US births named Rio (boys) vs Charlotte (girls), from US Social Security Administration national records.

Source: US Social Security Administration. Names appearing fewer than 5 times per year are suppressed by SSA.

Quick Stats

Metric Rio Charlotte
Peak year (most US births) 2024 — 591 boys 2025 — 13,400 girls
Peak rank #516 #2
Most recent rank (2025) #532 (563 births) #2 (13,400 births)
Total US births since 1880 2,904 371,325
Last 10 years (2016–2025) 2,904 130,337

Peak comparison takeaway

At its all-time peak, Charlotte reached 13,400 US births in 2025 — 12,809 more than Rio's peak count.

Strongest States — Last 10 Years

States where each name ranked highest, from SSA's state-level dataset. Lower average rank = name appears closer to the top of that state's boys-name list.

Rio — top 5 states

#StateAvg rankBirths
1 New Mexico #331 32
2 Nevada #463 28
3 Oregon #480 50
4 Utah #500 37
5 California #503 677

Charlotte — top 5 states

#StateAvg rankBirths
1 New Hampshire #1 769
2 Maine #1 692
3 Minnesota #2 2,462
4 Michigan #2 4,018
5 Virginia #2 3,967

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Data & methodology

Source: US Social Security Administration national baby names dataset 1880–2025 (CC0 public domain). Names with fewer than 5 occurrences in a given year are suppressed by SSA. State-level coverage runs 1910–2025. Crossover detection compares annual birth counts (not ranks) for each year both names appear. Methodology: see full notes. More comparisons →