Koby is a distinctive girls' name in United States, ranking #12832 in 2023 with 7 recorded births. The name reached its all-time peak in 2000 with 8 births ranking #11299. In 2023, approximately 1 in every 228,949 girls born was named Koby. STABLE Recent data shows the name is currently stable.
Koby is a modern English spelling variant of Coby. Through that route it belongs to the Jacob family, which is traditionally associated with the meaning "supplanter".
Behind the Name treats Koby directly as a variant of Coby, which makes its broader lineage clearer than some neighbouring spellings. The name’s modern feel comes from the spelling, not from a newly invented root.