Over the past 110 years, 48 534 boys and 5 girls have been named Malachi. The name Malachi ranks 450th in the United States among the most common names for boys. For the first time more than ten times newborns were named Malachi in 1912. The peak of popularity of the name Malachi came in the 2000s and 2010s. You can see absolute numbers and relative numbers on the chart. Indicators per 100K more accurately assess the popularity of the name.