I love my middle name Kreszentia, it was my great great Oma’s name and my Oma's (my mom's Mom) middle name and now it’s my daughters middle name. My Oma came to the USA like 60 years or so ago and so now it’s in America. I’m sure there’s more but I love how rare it is. People always tell me how much they like it because they’ve never heard it before.
Although possibly not usable in America (or any other country, really, I've heard that it's extremely old fashioned in Germany, along the lines of Engelbert), I'm in love with this name. You can't deny the spunk. Plus, it lends itself to the fabulous nickname Zenny. How ultra-sweet is that?