"Blend of Cay and Lynn"
The name Caylynn is commonly a female name from the "American" origin.
Caylynn is a modern American formation built from Cay, a spelling of the short name Kay, and the suffix Lynn. It belongs with the group of similar -lynn coinages that include Kaylynn and Cailynn, and it is not an inherited name from an older language tradition. The spelling first appears in United States birth records in 1987.
The pronunciation of Caylynn is KAY-lin.