The name Evans originates from the Welsh language and can be traced back to the medieval period. It is derived from the Welsh personal name Ieuan, which is a Welsh form of the name John, ultimately stemming from the Hebrew name Yohanan, meaning "Graced by God" or "Yahweh is gracious."

In its earliest form, the name Ieuan was spelled various ways, including Yvain, Yevan, and Evan. The plural form "Evans" emerged as a patronymic surname, indicating "son of Evan." Over time, it transitioned into being used as a given name in its own right.

While the name does not have a direct reference in ancient texts or religious scriptures, it has been in use among Welsh communities for centuries. One of the earliest known bearers of the name was Evan the Priest, a 13th-century Welsh clergyman and author of the famous medieval Welsh chronicle, the "Brut y Tywysogion" (Chronicle of the Princes).

Among the notable historical figures with the name Evans, we can mention:

1. Evan Shelby (1720-1794), an American pioneer and Revolutionary War soldier who founded the city of Shelbyville, Tennessee.
2. Evan Nepean (1752-1822), a British civil servant and politician who served as Chief Secretary to the Lord Lieutenant of Ireland.
3. Evan Thomas (1782-1839), a Welsh Baptist minister and author who wrote extensively on Welsh history and culture.
4. Evan Roberts (1878-1951), a Welsh revivalist preacher who played a significant role in the Welsh Revival of 1904-1905.
5. Evan Hunter (1926-2005), an American author better known by his pen name Ed McBain, who pioneered the police procedural genre in crime fiction.

Throughout the centuries, the name Evans has maintained a strong connection to its Welsh roots while also gaining popularity in other parts of the world, particularly in English-speaking countries. Its enduring presence serves as a testament to the rich cultural heritage and historical significance of this name.