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Lesley vs Isabella

How Lesley and Isabella 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

Lesley

Male · Celtic

Meaning: From The Gray Fortress

Isabella

Female · Arthurian

Meaning: Meaning Unknown

US Popularity History — Side-by-Side

Annual US births named Lesley (girls) vs Isabella (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 Lesley Isabella
Peak year (most US births) 2000 — 658 girls 2010 — 22,935 girls
Peak rank #430 #1
Most recent rank (2007) #817 (352 births) #7 (10,666 births)
Total US births since 1880 3,646 396,589
Last 10 years (1998–2007) 3,646 125,637

Peak comparison takeaway

At its all-time peak, Isabella reached 22,935 US births in 2010 — 22,277 more than Lesley'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 girls-name list.

Lesley — top 5 states

#StateAvg rankBirths
1 Arizona #500 101
2 Nevada #563 28
3 California #599 775
4 Texas #617 504
5 North Carolina #694 78

Isabella — top 5 states

#StateAvg rankBirths
1 Florida #2 10,088
2 Nevada #3 1,227
3 Texas #4 15,128
4 New Mexico #4 680
5 Arizona #4 2,998

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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 →