Kumayl
While not mentioned in the Quran, it is a historically significant name of a famous companion and Tabi'i, associated with the renowned Dua Kumayl.
Japanese Muslims adopt it for its meaning of perfection and its connection to the spiritual supplication Dua Kumayl, bridging Japanese and South Asian Islamic heritage.
No, it is considered rare and unique globally, including in Muslim communities in Japan and among Bengali and Sindhi diaspora groups.
Traditionally it is masculine, though some modern interpretations might consider it unisex, it is historically and culturally a male name.
It is a profound supplication taught by Imam Ali to Kumayl ibn Ziyad, recited by Shia Muslims weekly for spiritual protection and guidance.