Willien is a girl name. It last appeared in U.S. Social Security records in 1945. Willien first appears in the data in 1945 and reached its peak in 1945 (5 births). The chart below shows how the name has risen and fallen over time.
How popular is Willien? (U.S. births per year)
U.S. births per year, 1945–1945 · hover or tap for the count and national rank · source: U.S. Social Security Administration