Tundra

With geographical features like Savannah and Sierra and increasingly getting the baby-name treatment, could icy Tundra also see some use? It's only appeared six times on the Social Security rankings, all in the 1960s and 70s.

Pronounced TUN-druh.

As of October 2026, Tundra ranked #9586 in US births in 1977 SSA, peaked at #5781 in 1966.