Kauphy's list "My Favorite Boys' Names" of 5 great name ideas: Llywelyn - Earnest!

My Favorite Boys' Names

This is the original form of the ancient name also spelled Llewelyn.  In ancient Wales, it was borne by two princes who for a time united their countrymen in North Wales and led opposition to the power of the Norman barons in the south. Llywelyn ap Iorwerth was the greatest of the Welsh rulers of the Middle Ages.  This is a popular patriotic name, with nicknames Llelo and Llew, which is also Welsh for 'lion.'

Llywelyn

Rhythmic Welsh nickname name, derived from the Welsh royal name Iorwerth, which has sometimes been anglicized as Edward. 

Iolo

Lestyn

Clement, the name of fourteen popes and several saints, has a pleasantly, positive, slightly antiquated feel, like the phrase "clement weather." 
 Clement C. Moore wrote the poem "A Visit from St. Nicholas," Clement Attlee was a prominent post-World War II British Prime Minister, and Clement Greenberg was the art critic who promoted Abstract Expressionism.
 The hero of Thomas Hardy's The Return of the Native is Clement Yeobright, known as Clym rather than the usual Clem.

Clement

Earnest is a masculine name of English origin that developed from the word 'earnest,' meaning 'serious,' 'sincere,' or 'determined.' The name gained popularity during the Victorian era when virtue names were fashionable and personal qualities were considered appropriate inspirations for given names. Oscar Wilde's 1895 play 'The Importance of Being Earnest' playfully highlighted the name's association with seriousness and sincerity. Throughout the early 20th century, Earnest maintained moderate popularity in English-speaking countries, particularly in the United States, before gradually declining after the 1950s. Often confused with Ernest (without the 'a'), this spelling variant has always been less common. The name conveys qualities of dedication, sincerity, and moral seriousness, making it appealing to parents who value these traditional virtues.