Sheilly is a girl name. It last appeared in U.S. Social Security records in 2011. Sheilly first appears in the data in 2003 and reached its peak in 2003 (6 births). The chart below shows how the name has risen and fallen over time.
How popular is Sheilly? (U.S. births per year)
U.S. births per year, 2003–2011 · hover or tap for the count and national rank · source: U.S. Social Security Administration