9BabyNames Baby names with meanings & US popularity data

Willow vs Mia

How Willow and Mia compare across 146 years of US Social Security Administration baby-name records — popularity history, peak years, current rank, and which name overtook which.

Open Name Tournament

Willow

Female · English

Meaning: Slender:Graceful. From The Willow Tree Noted For Slender Graceful Branches And Leaves.

Mia

Female · Latin

Meaning: Mine

US Popularity History — Side-by-Side

Annual US births named Willow (girls) vs Mia (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 Willow Mia
Peak year (most US births) 2021 — 5,193 girls 2015 — 14,939 girls
Peak rank #39 #6
Most recent rank (2025) #44 (4,763 births) #6 (11,078 births)
Total US births since 1880 61,916 280,686
Last 10 years (2016–2025) 44,059 121,307

Peak comparison takeaway

At its all-time peak, Mia reached 14,939 US births in 2015 — 9,746 more than Willow'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 girls-name list.

Willow — top 5 states

#StateAvg rankBirths
1 West Virginia #10 548
2 Arkansas #18 624
3 Kentucky #18 1,086
4 Tennessee #20 1,565
5 Indiana #21 1,413

Mia — top 5 states

#StateAvg rankBirths
1 New Mexico #2 775
2 California #3 19,952
3 New Jersey #3 3,970
4 Nevada #3 1,236
5 Texas #4 14,721

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 →