Baby Name Comparison — 2026
{:type=>:rhyme, :severity=>:medium, :message=>"'Kail' rhymes with 'fail'"}
"son of the servant of Saint John"
Origin: Scottish Gaelic Mac Gille Eathain
Mcclain is more popular, ranked #5676 vs #15311 for Kail.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
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Mcclain is more popular, ranked #5676 compared to Kail at #15311 in the United States.
Mcclain means "son of the servant of Saint John" (Scottish Gaelic Mac Gille Eathain origin).
Kail is primarily a girl name. Mcclain is primarily a boy name.