Name popularity

William

From 1880 to 2025, 4,215,725 babies have been named William in the U.S. Most often given to a boy.

016,78933,57850,36767,15618801910194019702000peak 1947
PEAK YEAR
1947
BIRTHS AT PEAK
67,156
BORN IN 2025
10,552
TOTAL SINCE 1880
4,215,725

It might surprise you to learn that William, a name so firmly rooted in English tradition, actually traces its origins back to the Old German elements wil (will, desire) and helm (helmet, protection). Brought to England by William the Conqueror in 1066, it quickly became one of the most enduring names in the Western world. The name’s literal meaning—"resolute protector"—has proven remarkably apt, as it has been borne by countless kings, soldiers, and leaders across the centuries. In the United States, its popularity has been nothing short of staggering: since 1880, nearly 4.2 million boys have been named William, making it the second most common male name in American history (after James). Its peak came in 1947, when over 67,000 baby Williams arrived in a single year, reflecting the post-war boom and a fondness for sturdy, classic names.

While William is no longer as dominant as it once was—just over 10,500 boys received the name in 2025, a 9% decline from the previous five-year period—it has gracefully settled into a comfortable, timeless zone. It no longer feels ubiquitous, but it carries a quiet authority that many modern, trendier names lack. The name’s cultural resonance is immense, from the playwright William Shakespeare and the poet William Blake to Prince William, Duke of Cambridge, and the fearless William Wallace. In fiction, namesake characters like William "Will" Turner from Pirates of the Caribbean and William "Will" Byers from Stranger Things keep the name fresh for new generations. Parents drawn to William often appreciate its blend of strength and approachability—it’s a name that feels equally at home on a CEO, a novelist, or a little boy with a backyard fort. For those exploring similar options, consider the regal Edward, the equally classic Henry, or the softer, more romantic Liam, which is itself a popular Irish derivative of William.

Source: U.S. Social Security Administration national name dataset (1880–2025). Counts represent only names given to ≥5 babies in a given year.