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“Son (of) — the Gaelic patronymic prefix, used as a name” — Scottish/Irish Gaelic origin
Boy's name · #463 in the US (2025) · Timeless
Mack holds its lane: charted since 1880 and rarely far from where it stands today (#463 in 2025). About 43,000 boys have carried it along the way. In all that time it has never once missed a year of the national records. Its center of gravity has moved: strongest in the South in the 1940s and 1950s, strongest in the Midwest today. Together with its spelling variant Mac (#696), Mack would rank around #324 with about 1,100 births last year — the newborns split about 63/37 between Mack and Mac.
Around the world: about 1 in 790 boys in Scotland (2025) · about 1 in 1,100 boys in New Zealand (2025) · about 1 in 3,300 boys in Canada (2024).
Appears in 2020-2025 birth records of 41 states. See the full state-by-state map on this page.
Among 179 notable people named Mack:
Sports figures appear 2.5× more often than among typical names — e.g. Mack Horton, Australian freestyle swimmer.
Similar names: Mac · Van · Mace · Clyde · Marvin · Marlin
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