I think a lot of the capitulation you’re seeing is just the cascading aftereffects of the ramping up of migrant shipping policies from the southern border states(or just Texas I guess). The scale of that kind of forced some form of reaction outside the norm.
This excerpt from the linked Wikipedia article for the name abstractly summarizes it nicely.
The name Mildred was very common about a hundred years ago, but never really at any other point since. If you see the name Mildred without seeing the person in question your first thoughts will be that they are extremely old. That’s really about it.