$
Mark
1,366,672 recorded births · active 1880–2025
Living-age distribution
The median living Mark is 60. If you meet a Mark, there's about a 70% chance they're between 39 and 70 years old.
Popularity arc
● One-Generation WonderA sharp, defining spike for one generation, then a steep fade.
Peak Mark: 1960. Down 97% from peak.
Geographic fingerprint
Marks are 1.4x more common in the Midwest than the national average.