Kiree is likely a modern phonetic variant of names like Kiri, which can have Japanese associations with paulownia tree.
Kiree is almost certainly a phonetic variant of Kyrie, derived from the Greek "kyrios," meaning Lord or master — the same root embedded in the liturgical phrase "Kyrie eleison" (Lord, have mercy), one of the oldest continuous petitions in Christian worship. That phrase has been sung in Greek in Eastern Orthodox liturgies and in Latin-rite Catholic masses for nearly two thousand years, giving the name an extraordinary religious pedigree that spans continents and centuries.
It appears in early Byzantine texts and in medieval plainchant, always carrying that note of humble appeal. The modernized spelling "Kiree" strips away the formal Greek orthography to arrive at something that sounds contemporary and light while retaining all of the name's spiritual lineage beneath the surface. The name entered broader popular awareness through NBA star Kyrie Irving, whose name was passed down through his father's Greek heritage, normalizing it for a new generation outside religious contexts. As a given name, Kiree sits at a fascinating intersection: ancient devotion rendered in a thoroughly modern idiom, sacred history worn casually and beautifully.