Billy

Billy is a diminutive form of the name William, which is derived from the Germanic name Willahelm. The name William means 'resolute protector' or 'strong-willed warrior.'

The name Billy has a long history of use, particularly in English-speaking countries. It is often seen as a friendly, informal, and down-to-earth name, with a casual and approachable vibe.

While Billy is typically used as a nickname for William, some parents may choose it as a stand-alone name for their son. It can be a way to honor a family member named William while giving their child a more casual and informal name.

Overall, Billy is a classic and familiar name with a strong sense of tradition and history, yet it also has a playful and friendly quality that many find appealing.