Billie is a unisex name with a classic feel, drawn from real birth records. Below you'll find what Billie means and where it comes from, plus how many babies have been named Billie across the United States, UK, Ireland and New Zealand, how popular Billie has been over the decades, and the year it peaked.
Billie is a unisex name of Germanic origin meaning “resolute protector”. A pet form of William or Wilhelmina.
| Country | Births on record |
|---|---|
| United States since 1880 | 135,300 births |
| England & Wales since 1996 | 4,488 births |
| Scotland since 1974 | 671 births |
| Northern Ireland since 1997 | 82 births |
| Ireland since 1964 | 235 births |
| New Zealand top 100, since 1954 | 428 births |
Counts come from official national birth-registration statistics: U.S. Social Security Administration, England & Wales (Office for National Statistics), Scotland (National Records of Scotland), Northern Ireland (NISRA), Ireland (Central Statistics Office) and New Zealand (Dept. of Internal Affairs). Coverage spans differ, so totals aren't directly comparable across countries.
Babies named Billie per year, United States (1880 to 2025). United States peaked in 1930 (4,715/yr) · England & Wales peaked in 2025 (336/yr) · Scotland peaked in 2025 (44/yr) · Ireland peaked in 2023 (24/yr) · Northern Ireland peaked in 2023 (10/yr).
Billie has been one of the most popular baby names in the United States. It was most common in 1930, when it ranked #97 nationally (given to 4,715 babies that year), and a popular choice in the 1930s.
Billy · Bella · Bill · Belle · Baylee · Bell · Bailee · Billye
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