William is a name built from the Germanic elements will (will, desire) and helm (helmet, protection). Together, they give the sense of a determined protector, someone who guards with purpose. The name was brought to Britain by Norman conquerors and replaced many Old English names in the centuries that followed. It became one of the most common royal names in English history, held by four English kings, three of which were William the Conqueror's descendants, and then by Dutch and British monarchs down to the present day. William has been a consistently popular name in the United States since the country's founding. It has also produced one of the most common nicknames,Bill,and in recent years, the short form Liam has become even more popular as a standalone name. The name's persistence is remarkable. It does not rely on any particular religious or cultural moment but has maintained its position through sheer ubiquity and steady respect.