Meaning & origin
How it developed
In English usage, Kilroy as a surname developed from Mac Giolla Ruaidh.
Kilroy’s family of names
In English usage, Kilroy as a surname developed from the Irish form Mac Giolla Ruaidh.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 1
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
Similar names
If you love Kilroy, these share its style, era, origin or sound, from outside its own family.
Kilday
Kilday is a surname from Irish.
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Kildow
“son of the black-haired lad”
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Kilduff
“son of the black-haired lad”
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Kilbride
“son of the servant of (Saint) Brigit”
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Killen
Killen is a surname from Irish.
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Calvey
Calvey is a surname from Irish.
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Kiggins
“son of the Viking”
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Kinaðr
Kinaðr is a masculine given name, possibly from Old Irish, ultimately from Pictish. It is used in Old Norse.
>99% boys