What does Bianca mean?
From the Italian, “white,” a symbol of purity.
What does Sienna mean?
From the Italian city of Siena and its russet earth pigment, sienna.
Bianca vs Sienna
Which is more popular?
Sienna is more popular than Bianca today: about 2,659 US babies were given the name Sienna in 2025, compared with 594 named Bianca.
| Bianca | Sienna | |
|---|---|---|
| Meaning | White | Reddish-brown |
| Origin | Italian | Italian |
| Gender | Girl | Girl |
| Pronunciation | bee-AHN-kuh | see-EN-uh |
| Syllables | 3 | 3 |
| First appeared | 1905 | 1960 |
| Peak year | 1991 (3,844) | 2025 (2,659) |
| In 2025 | 594 | 2,659 |
| Trend | Declining | Near its peak |
Popularity over time, 1880–2025
Bianca
Sienna
Source: US Social Security Administration.
Births by decade
| Decade | Bianca | Sienna |
|---|---|---|
| 2020s | 4,106 | 12,482 |
| 2010s | 9,293 | 14,136 |
| 2000s | 18,914 | 10,685 |
| 1990s | 28,558 | 2,151 |
| 1980s | 12,462 | 305 |
| 1970s | 3,041 | 102 |
| 1960s | 560 | 16 |
| 1950s | 324 | 0 |
| 1940s | 73 | 0 |
| 1930s | 33 | 0 |
| 1920s | 95 | 0 |
| 1910s | 89 | 0 |
| 1900s | 16 | 0 |
Frequently asked questions
Is Bianca or Sienna more popular?
Sienna is more popular than Bianca today: about 2,659 US babies were given the name Sienna in 2025, compared with 594 named Bianca.
What is the difference between Bianca and Sienna?
Bianca means White (Italian origin), while Sienna means Reddish-brown (Italian origin).
Which name is older, Bianca or Sienna?
In US records, Bianca first appears in 1905 and Sienna in 1960, so Bianca has the longer recorded history.