Sidney vs Oliver
How Sidney and Oliver 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 Sidney (boys) vs Oliver (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 | Sidney | Oliver |
|---|---|---|
| Peak year (most US births) | 1918 — 1,879 boys | 2024 — 15,343 boys |
| Peak rank | #94 | #3 |
| Most recent rank (2013) | #954 (210 births) | #3 (14,939 births) |
| Total US births since 1880 | 17,376 | 212,737 |
| Last 10 years (2004–2013) | 2,448 | 142,959 |
Peak comparison takeaway
At its all-time peak, Oliver reached 15,343 US births in 2024 — 13,464 more than Sidney'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 | Sidney births | Oliver births |
|---|---|---|---|
| 1910 | Sidney | 353 | 0 |
| 2000 | Oliver | 333 | 978 |
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.
Sidney — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | South Carolina | #765 | 22 |
| 2 | Massachusetts | #770 | 25 |
| 3 | Georgia | #776 | 35 |
| 4 | Louisiana | #796 | 37 |
| 5 | Maryland | #804 | 17 |
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 →