The story of Tam
Tam is rare for boys in the United States, ranked #13,669 in 2025 with 5 babies given the name. It is currently declining compared with a decade ago.
Since 1924, 1,889 American babies have been named Tam, about 52% boys and 48% girls, making it a genuinely unisex name. Its peak came in 1982, when 64 newborns received the name, the signature sound of the 1980s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Tam stood among all boys' names in any year, or use the compare tool to plot it against other names.