My messenger
Malacai is a variant 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 implies a person who serves as a divine messenger or representative.
Less common today
Malacai isn't in the latest US Top 1000. It last peaked at #6,002 in 2017.
US births per 5-year period, 1990βpresent (SSA data).