9BabyNames Baby names with meanings & US popularity data Italiano

Sydnee vs Amelia

How Sydnee and Amelia 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

Sydnee

Female · French

Meaning: From St. Denis.

Amelia

Female · German

Meaning: Defender ANSELMA

US Popularity History — Side-by-Side

Annual US births named Sydnee (girls) vs Amelia (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 Sydnee Amelia
Peak year (most US births) 2003 — 506 girls 2021 — 13,032 girls
Peak rank #549 #4
Most recent rank (2010) #959 (268 births) #4 (12,699 births)
Total US births since 1880 4,110 204,529
Last 10 years (2001–2010) 3,628 124,049

Peak comparison takeaway

At its all-time peak, Amelia reached 13,032 US births in 2021 — 12,526 more than Sydnee'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.

Sydnee — top 5 states

#StateAvg rankBirths
1 Utah #536 69
2 Louisiana #607 44
3 Maryland #730 23
4 Oklahoma #740 31
5 Missouri #786 23

Amelia — top 5 states

#StateAvg rankBirths
1 Louisiana #3 1,899
2 Alaska #3 333
3 Indiana #3 2,887
4 West Virginia #3 747
5 Kentucky #3 1,855

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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 →