Mcauthor is a boy name. It last appeared in U.S. Social Security records in 1943. Mcauthor first appears in the data in 1942 and reached its peak in 1942 (8 births). The chart below shows how the name has risen and fallen over time.
How popular is Mcauthor? (U.S. births per year)
U.S. births per year, 1942–1943 · hover or tap for the count and national rank · source: U.S. Social Security Administration