9BabyNames Baby names with meanings & US popularity data

Ruby vs Emma

How Ruby and Emma 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

Ruby

Female · French

Meaning: Jewel

Emma

Female · German

Meaning: Whole: Complete. Universal

US Popularity History — Side-by-Side

Annual US births named Ruby (girls) vs Emma (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 Ruby Emma
Peak year (most US births) 1924 — 8,406 girls 2003 — 22,719 girls
Peak rank #26 #2
Most recent rank (2025) #64 (3,554 births) #3 (12,754 births)
Total US births since 1880 309,288 713,779
Last 10 years (2016–2025) 35,743 161,030

Peak comparison takeaway

At its all-time peak, Emma reached 22,719 US births in 2003 — 14,313 more than Ruby's peak count.

Crossover Years

Years where one name first passed the other in annual US births. A name "winning" in a year means it had more births that year, not necessarily a higher rank.

Year New leader Ruby births Emma births
1909 Ruby 2,524 2,338
1993 Emma 0 4,108

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.

Ruby — top 5 states

#StateAvg rankBirths
1 Utah #18 1,007
2 Oregon #32 622
3 Idaho #33 335
4 Montana #34 172
5 Wyoming #39 68

Emma — top 5 states

#StateAvg rankBirths
1 Texas #1 17,678
2 New York #2 8,974
3 New Jersey #2 4,400
4 Arizona #2 3,425
5 Pennsylvania #2 5,543

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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 →