Blithe is a girl name. It last appeared in U.S. Social Security records in 2015. Blithe first appears in the data in 2012 and reached its peak in 2015 (7 births). The chart below shows how the name has risen and fallen over time.
How popular is Blithe? (U.S. births per year)
U.S. births per year, 2012–2015 · hover or tap for the count and national rank · source: U.S. Social Security Administration