Kacey vs Emma
How Kacey 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.
Kacey
Female · English
Meaning: Modern Kacie And Variants Are Phonetic Forms Of The Initials K.C. Or Variants Of The Irish Name Casey Alert: Vigorous.
US Popularity History — Side-by-Side
Annual US births named Kacey (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 | Kacey | Emma |
|---|---|---|
| Peak year (most US births) | 2000 — 263 girls | 2003 — 22,719 girls |
| Peak rank | #845 | #2 |
| Most recent rank (2003) | #986 (234 births) | #3 (12,754 births) |
| Total US births since 1880 | 754 | 713,779 |
| Last 10 years (1994–2003) | 754 | 161,030 |
Peak comparison takeaway
At its all-time peak, Emma reached 22,719 US births in 2003 — 22,456 more than Kacey'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.
Kacey — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Mississippi | #551 | 22 |
| 2 | Alabama | #752 | 19 |
| 3 | Michigan | #807 | 38 |
| 4 | Maryland | #833 | 38 |
| 5 | Georgia | #836 | 60 |
Emma — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 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 →