Jill vs Emily
How Jill and Emily compare across 146 years of US Social Security Administration baby-name records — popularity history, peak years, current rank, and which name overtook which.
US Popularity History — Side-by-Side
Annual US births named Jill (girls) vs Emily (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 | Jill | Emily |
|---|---|---|
| Peak year (most US births) | 1966 — 7,870 girls | 1999 — 26,542 girls |
| Peak rank | #49 | #1 |
| Most recent rank (2000) | #988 (215 births) | #34 (5,451 births) |
| Total US births since 1880 | 153,994 | 807,425 |
| Last 10 years (1991–2000) | 215 | 75,367 |
Peak comparison takeaway
At its all-time peak, Emily reached 26,542 US births in 1999 — 18,672 more than Jill'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 | Jill births | Emily births |
|---|---|---|---|
| 1957 | Jill | 4,729 | 0 |
| 1976 | Emily | 5,283 | 5,549 |
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.
Jill — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Minnesota | #567 | 24 |
| 2 | Massachusetts | #654 | 64 |
| 3 | Pennsylvania | #733 | 32 |
| 4 | New Jersey | #745 | 27 |
| 5 | Ohio | #853 | 39 |
Emily — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | California | #10 | 12,185 |
| 2 | New Jersey | #13 | 2,319 |
| 3 | Florida | #13 | 4,899 |
| 4 | Texas | #14 | 8,237 |
| 5 | New York | #15 | 4,529 |
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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 →