Spencer vs Lucas
How Spencer and Lucas 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 Spencer (boys) vs Lucas (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 | Spencer | Lucas |
|---|---|---|
| Peak year (most US births) | 1998 — 4,619 boys | 2017 — 13,029 boys |
| Peak rank | #84 | #11 |
| Most recent rank (2025) | #360 (908 births) | #10 (10,219 births) |
| Total US births since 1880 | 67,212 | 290,284 |
| Last 10 years (2016–2025) | 10,466 | 116,799 |
Peak comparison takeaway
At its all-time peak, Lucas reached 13,029 US births in 2017 — 8,410 more than Spencer'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 | Spencer births | Lucas births |
|---|---|---|---|
| 1992 | Spencer | 3,696 | 0 |
| 1993 | Lucas | 3,884 | 3,924 |
| 1998 | Spencer | 4,619 | 4,091 |
| 1999 | Lucas | 4,194 | 4,220 |
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.
Spencer — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Alaska | #149 | 29 |
| 2 | New Hampshire | #181 | 48 |
| 3 | Maine | #192 | 52 |
| 4 | Montana | #206 | 27 |
| 5 | Delaware | #207 | 23 |
Lucas — top 5 states
| # | State | Avg rank | Births |
|---|---|---|---|
| 1 | Florida | #3 | 8,933 |
| 2 | New York | #4 | 8,253 |
| 3 | New Jersey | #4 | 3,983 |
| 4 | Maryland | #6 | 2,113 |
| 5 | Connecticut | #6 | 1,403 |
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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 →