The name Harlen is an English given name that has its origins in the Old English language. It is believed to be derived from the Old English words "hær" meaning "rock" and "læn" meaning "lane" or "path". The name can be interpreted to mean "rocky path" or "path through the rocks".

In its earliest recorded usage, the name Harlen appeared in Anglo-Saxon England during the 8th and 9th centuries. It was primarily used as a masculine name and was particularly popular among the Anglo-Saxon nobility and landowners, possibly reflecting the rugged terrain and rocky landscapes of their domains.

While there are no direct references to the name Harlen in ancient texts or religious scriptures, some scholars suggest a connection to the Old English word "hærn", which meant "stone" or "rocky". This could indicate that the name was initially used to describe someone who lived near or worked with rocky terrains.

One of the earliest recorded individuals with the name Harlen was Harlen of Mercia, a nobleman who lived in the 9th century and owned vast estates in the Mercian region of England. Another notable figure was Harlen the Scribe, a monk from the 10th century who was known for his skilled calligraphy and illuminated manuscripts.

During the medieval period, the name Harlen appeared sporadically in historical records, often associated with families of landowners and noblemen. One such individual was Harlen de Bois, a Norman knight who fought in the Crusades during the 12th century.

In the 16th century, Harlen Dickinson was a prominent English merchant and explorer who financed several voyages to the New World. He was instrumental in establishing trade routes and settlements in the Americas.

Another notable bearer of the name was Harlen Willett, a Puritan settler who arrived in Massachusetts Bay Colony in the 1630s and played a significant role in the early development of the colony.

While the name Harlen has remained relatively uncommon throughout history, it has been carried by individuals from various walks of life, including scholars, soldiers, and pioneers. The name's connection to the rugged landscapes of its Old English origins has likely contributed to its enduring appeal and unique character.