My messenger or my angel
Malykai is a modern creative spelling of the Hebrew name Malachi. In the Old Testament, Malachi was the last of the twelve minor prophets and the author of the Book of Malachi. The name has seen various phonetic adaptations in recent years, often incorporating the 'y' and 'k' for a more contemporary look.
Less common today
Malykai isn't in the latest US Top 1000. It last peaked at #7,988 in 2021.
US births per 5-year period, 1990βpresent (SSA data).