"Blend of Kay and Bree"
The name Kaybree is commonly a female name from the "American" origin.
Kaybree is a modern American formation, first appearing in United States birth records in 2001 with no earlier recorded history. Its form joins two familiar name elements, Kay and Bree, in the same pattern as other American coinages built from short recognizable parts. It is best described as a blend of those elements rather than as a name inherited from an older language tradition.
The pronunciation of Kaybree is KAY-bree.