"Blend of Bryn and Lee"
The name Brynlie is commonly a female name.
Brynlie is a modern American formation, first recorded in United States birth records in 2001. It joins Bryn, a Welsh word meaning hill that is also used as a given name in Wales, with the -lie ending familiar from American girls' names such as Kaylie and Kylee. It sits alongside the closely related spellings Brynlee, Brynley and Brinley.
The pronunciation of Brynlie is BRIN-lee.