Boy Names Starting With M

35 US boy names beginning with M, each linking to scored middle, sibling and twin name pairings. Sorted A–Z; switch to popularity below.

M names at a glance

In 2025, 7.39% of US baby boys in the Social Security records got a first name starting with M — about 1 in 14, or 126,252 boys in all. That is close to the 8.97% it was in 1990.

The best-known M names here
NameRank in 2015Rank in 2025
Mateo#85#8
Michael#9#21
Matthew#15#32
Mason#3#39
Miles#107#44

The biggest climber on this page is Mateo: #85 among US boys in 2015, #8 in 2025.

On the middle-name pages, a middle name that also starts with M loses points. A doubled M in the initials is something some parents like and others avoid.

Boy Names starting with M

This page lists 35 boy names beginning with the letter M that are in real current use in the United States — including popular picks like Mateo, Michael, Matthew. The count comes from US Social Security Administration public records: every name shown was given to at least a handful of US babies in the latest year, so this is not a list of invented or one-off spellings.

Open any name to see its pairing page — middle names, sibling names and twin names, each scored for how well it fits. Use the sort control above to switch between A–Z and 2025 popularity. To browse a different letter, go back to all boy names.