The creators of Nametrix, a baby-name app, pulled data from the Federal Election Commission to find out which names are more likely to donate to Democrats, and which to Republicans. Here's a small part of the chart showing the most Republican names, suggesting that if you're a political donor named Brent, Troy, or Darrell, you're more likely to have given to Republicans:
Here's a link to the whole chart. Meanwhile, Hannah, Alexandra, Ethan, and Sophia are more likely to give to Democrats:
Names can be a stand-in all kinds of things — gender, culture, religion, socioeconomic class, even whether your parents watch Game of Thrones. If you look at the full chart, the gender gap between Republicans and Democrats shows up right away — the more Republican names are predominantly male, while the Democratic side has many more women. While the data wasn't broken down by age, the names that trend most strongly Democratic also tend to sound somewhat younger than the most Republican names: "Erica" and "Mia" versus "Duane," "Virgil," and "Rex."