Meaning and name origin
Malachi \m(a)-la-chi\ as a boy's name is pronounced MAL-a-kye. It is of Hebrew origin, and the meaning of Malachi is "messenger of God". Biblical: a prophet and writer of the final book of the Old Testament. Malachy (12th century) was an Irish saint. Author Malachi Martin.
Malachi is not a popular first name for males but a very popular surname or last name for all people (#25352 out of 88799, Top 29%) (Source: 2000 U.S. Population Census).
Displayed below is the baby name popularity of the name Malachi for boys. Malachi reached its highest rank of #150 in the U.S. in 2006 (Source: 2014 Birth Name Statistics).
Displayed below is a comparison of the popularity of the boy name Malachi and its variant forms. Popular variation forms ranked in the Top 1000/100 are Malachi (#179), Malik (#376) and Malaki. (Source: 2014 Birth Name Statistics).