Brynlie is a modern, unisex given name of Welsh origin. It derives from the Welsh word "brync" which means 'hill'. The name has gained popularity in recent years due to its unique sound and spelling. Brynlie can be pronounced as /ˈbrɪnli/ or /ˈbrɪnliː/, with a stress on the first syllable. It is often used as a female name but can also be given to boys, making it a versatile choice for parents looking for something distinctive yet accessible. In terms of popularity, Brynlie has been increasingly used in English-speaking countries, particularly in Wales and Australia. Some notable individuals named Brynlie include Australian rules footballer Bryn Thompson and Canadian singer-songwriter Bryn Jones.
The name Brynlie experienced significant popularity from 2006 onwards, peaking at 74 births in 2011. However, there has been a steady decline since then, with only 18 births recorded in 2023. In total, the name Brynlie has been given to 891 babies between 2001 and 2023.