Boys' name · peaked in 1900
Mack name popularity since 1925
32,201 babies born in the US from 1925 to 2025 were named Mack. Half of them were born in 1956 or earlier, so the typical Mack is about 70 years old in 2026. Mack peaked in 1900 as the #96 name for boys, and it ranked #463 in 2025.
Key facts
- US babies since 1925
- 32,201
- Named Mack, 1925–2025
- Peak year
- 1900
- #96 for boys that year
- In 2025
- #463
- for boys in 2025 (668 babies)
- Girls / boys
- 99.5% boys
- 145 girls · 32,056 boys
- Most popular in
- Mississippi
- 5.47× its national share
Peak year is the year Mack made up the largest share of US boys, in records going back to 1880. Typical age is based on births from 1925 on, not on who is living today.
Mack births per year, 1925–2025
The biggest year on this chart was 1942. Measured as a share of all babies, Mack peaked earlier, in 1900.
- Steepest fall: Between 1942 and 1947, Mack's share of baby boys fell by 54%, from 1 in 1,640 to 1 in 3,560.
- Fastest rise: Between 2010 and 2015, it became 2.2× more common, from 1 in 10,600 baby boys to 1 in 4,930.
Shaded on the chart. Both compare Mack's share of all US boys five years apart, counting only years with at least 100 babies named Mack.
Decade by decade
Babies named Mack in each decade, and its rank among boys' names in the middle year of the decade (1935, 1945 … 2025).
| Decade | Girls | Boys | Rank |
|---|---|---|---|
| 1925–29 | 33 | 2,681 | – |
| 1930s | 46 | 4,636 | #256 |
| 1940s | 40 | 5,646 | #246 |
| 1950s | 16 | 4,212 | #366 |
| 1960s | 10 | 2,715 | #470 |
| 1970s | 0 | 1,741 | #643 |
| 1980s | 0 | 1,306 | #854 |
| 1990s | 0 | 1,019 | #1,272 |
| 2000s | 0 | 1,270 | #1,269 |
| 2010s | 0 | 3,200 | #662 |
| 2020–25 | 0 | 3,630 | #463 |
Ranks count every name given to at least 5 boys that year, so they can go past 1,000.
Generation fingerprint
28.8% of babies named Mack from 1925 to 2025 were born in the Silent Generation years (1928–1945). The full split by generation:
Where Mack is most popular
The index compares Mack's share of babies in each state with its share nationwide, 1925–2025 (1.50× = 50% more common). States with at least 300 babies named Mack.
| State | Index | Babies |
|---|---|---|
| Mississippi | 5.47× | 1,875 |
| Alabama | 3.87× | 1,934 |
| South Carolina | 3.79× | 1,500 |
| North Carolina | 2.95× | 2,362 |
| Arkansas | 2.69× | 782 |
Names with a similar story
Of the other 1999 names on this site, these six had the share of babies closest in shape to Mack's from 1925 to 2025, however common each one got. Each line is scaled to its own high; the dashed line is Mack.
Names from the same era
Other common names that peaked within two years of Mack (1900).
Source: U.S. Social Security Administration national and state baby-name data, which covers names given to at least 5 babies of one sex in a year. About the data