Seamus vs Alexander
How Seamus and Alexander 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 Seamus (boys) vs Alexander (boys), 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 | Seamus | Alexander |
|---|---|---|
| Peak year (most US births) | 2008 — 298 boys | 1993 — 20,529 boys |
| Peak rank | #753 | #21 |
| Most recent rank (2017) | #979 (211 births) | #30 (7,230 births) |
| Total US births since 1880 | 4,339 | 657,737 |
| Last 10 years (2008–2017) | 2,467 | 100,533 |
Peak comparison takeaway
At its all-time peak, Alexander reached 20,529 US births in 1993 — 20,231 more than Seamus'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 boys-name list.
Seamus — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Massachusetts | #361 | 149 |
| 2 | Connecticut | #398 | 22 |
| 3 | Pennsylvania | #668 | 121 |
| 4 | Washington | #729 | 39 |
| 5 | Wisconsin | #756 | 18 |
Alexander — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | California | #10 | 14,894 |
| 2 | Arizona | #10 | 2,337 |
| 3 | Illinois | #10 | 4,042 |
| 4 | Nevada | #11 | 990 |
| 5 | Florida | #11 | 6,338 |
Want a different comparison?
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 →