I've been doing some work trying to interrogate whether U.S. baby naming practices exhibit political polarization. It's a harder question to answer than I'd initially thought. Most recently, I tried to attempt to get around the question of whether my initial analysis were simply geographic sorting (e.g., urban v rural) and not actually political sorting.

https://inequalitybyinteriordesign.wordpress.com/2025/11/30/is-it-politics-or-just-place-rethinking-baby-name-polarization/