Possibly a variant of Keziah, meaning cassia tree or cinnamon.
Kasiah is a rare name likely derived from the biblical Keziah. In the Old Testament, Keziah was one of the three daughters of Job, known for her beauty. The name refers to the spice-bearing cassia tree, symbolizing sweetness and value.
About 52 boys were named Kasiah in 2025.
US births per 5-year period, 1990–present (SSA data).
