Monica vs Olivia
How Monica and Olivia 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 Monica (girls) vs Olivia (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 | Monica | Olivia |
|---|---|---|
| Peak year (most US births) | 1979 — 6,585 girls | 2014 — 19,836 girls |
| Peak rank | #40 | #2 |
| Most recent rank (2025) | #737 (371 births) | #1 (13,544 births) |
| Total US births since 1880 | 200,900 | 512,241 |
| Last 10 years (2016–2025) | 4,304 | 170,562 |
Peak comparison takeaway
At its all-time peak, Olivia reached 19,836 US births in 2014 — 13,251 more than Monica'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 | Monica births | Olivia births |
|---|---|---|---|
| 1990 | Olivia | 4,453 | 4,628 |
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.
Monica — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Nebraska | #459 | 16 |
| 2 | California | #487 | 697 |
| 3 | Iowa | #552 | 26 |
| 4 | Texas | #556 | 544 |
| 5 | Oregon | #556 | 27 |
Olivia — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Illinois | #1 | 5,942 |
| 2 | Washington | #1 | 3,650 |
| 3 | Connecticut | #1 | 1,826 |
| 4 | New York | #1 | 9,099 |
| 5 | Oklahoma | #1 | 1,933 |
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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 →