The given name Dulan has its origins in the ancient Tamil language spoken in southern India and parts of Sri Lanka. It can be traced back to the early centuries of the common era, with roots in the Tamil word 'tuli' meaning 'bamboo'. The name is believed to have been derived from this word, possibly referring to someone who lived near or worked with bamboo.

In the Tamil culture, names often held deep symbolic meaning, reflecting the aspirations and values of the parents. The name Dulan may have been bestowed upon children with the hope that they would grow tall, strong, and resilient like the bamboo plant.

While there are no specific historical records or ancient texts that explicitly mention the name Dulan, it has been in use among Tamil communities for centuries. One of the earliest recorded instances of the name can be found in the writings of the revered Tamil poet and philosopher, Avvaiyar, who lived during the 1st or 2nd century CE. In her collection of moral verses, she makes a reference to a character named Dulan, though the context is unclear.

Throughout history, several notable individuals have borne the name Dulan. In the 7th century CE, Dulan Kavi was a celebrated Tamil poet and scholar renowned for his contributions to the Sangam literature. His works, though largely lost to time, were highly regarded during his lifetime.

During the 13th century, Dulan Rana was a prominent military commander who served under the Chola Empire. He is known for his valor and strategic acumen in battles against rival kingdoms in southern India.

In more recent times, Dulan Kodikara (1898-1980) was a respected Sinhalese journalist and writer from Sri Lanka. He played a significant role in the country's independence movement and was a vocal advocate for Tamil rights.

Dulan Eppawala (1924-2008) was a renowned Sri Lankan artist and sculptor, known for his works that blended traditional and modern styles. His sculptures can be found in various public spaces across the island nation.

Dulan Perera (born 1964) is a contemporary Sri Lankan writer and poet, whose works have been widely acclaimed and translated into several languages. He has received numerous literary awards and has contributed significantly to the country's literary landscape.

While the name Dulan has its roots in the Tamil language and culture, it has transcended geographical boundaries and has been adopted by people of various ethnicities and backgrounds, particularly in South Asia and among the Tamil diaspora worldwide.