"Blend of Zay and Leigh"
The name Zayleigh is commonly a female name from the "American" origin.
Zayleigh is a modern American formation that pairs the Zay- element found in names such as Zaya and Zaylee with the -leigh ending used in names such as Kayleigh and Ryleigh. It first appears in United States birth records in 2006, and no earlier source or meaning is documented for it.
The pronunciation of Zayleigh is ZAY-lee.