I was born in 1989 in Oregon. My name is Ashley. My best friend Jessica was born in 1990 in Alaska. **Click to show the progression of popular baby names over 52 years.** A gif map showing the most popular names for baby girls in the United States
First, valleys widen at the expense of their smaller neighbors, and second, side slopes of the widening valleys become susceptible to channel incision. There's a cool exhibit at the NY Hall of Science that shows this too. Cool.
Very interesting article from The Economist about German-Americans and their assimilation into American culture. Not entirely sure whether these statistics actually distinguish between immigrants from various German-SPEAKING countries. Quote from the article: "John Michael [Kohler, an Austrian] . . . married the daughter of another German immigrant." Interesting nonetheless.