Kiernen is a unique and distinctive given name of Irish origin. It is derived from the ancient Irish name Ciarán, which means "dark-haired" or "little dark one". The name Kiernen is believed to have been introduced to Ireland by Saint Ciarán of Saigir, who founded the monastery at Clonmacnoise in the 6th century. Over time, variations of this name have emerged, including Kiernan and Kieran. Despite its Irish roots, Kiernen has gained popularity as a given name in other parts of the world, particularly in English-speaking countries. Its unique spelling and sound make it a standout choice for parents seeking an uncommon yet meaningful name for their child.
The name Kiernen has seen a notable start with 5 births recorded in 2010. However, it hasn't gained widespread popularity as there have been no other reported births since that year, suggesting it may be quite rare or perhaps a one-time occurrence.