Killiam is a boy name. In 2025 it ranked #19773 for boy births in the United States, given to 8 babies. Killiam first appears in the data in 2017 and reached its peak in 2024 (16 births). The chart below shows how the name has risen and fallen over time.
How popular is Killiam? (U.S. births per year)
U.S. births per year, 2017–2025 · hover or tap for the count and national rank · source: U.S. Social Security Administration