The Lannon surname
In the 2010 U.S. Census, 2,427 people carried this name — #12,720 among all U.S. surnames, about 1 in every 122,000 people counted. That is up 11% from 2,194 in 2000.
In Ireland’s birth registers, 1890
Ireland registered 11 births for the Lannon name in 1890.
Most were registered in Leinster. By the Registrar-General’s own method — births multiplied by 44.38 — that is about 500 people bearing the name in Ireland at the time. 4 of them were indexed under other spellings of the name.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born, 1890
Registrar-General for Ireland, «Special Report on Surnames in Ireland» (R. E. Matheson, 1894), births index of 1890 — public domain.
In France’s civil register
France’s register of deaths holds 85 people named Lannon.
6 of them were born outside France. Those born in France came from 5 départements, most often Finistère.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
Who carried it
People named Lannon,
with a public archive behind them.
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James Patrick Lannon 1878–1953 · military officer -
Al Lannon 1907–1969 · politician
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Frances Lannon 1945– · historian
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Maria Lannon 1946– · painter
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Paudie Lannon 1956– · hurler
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Erwan Lannon 1968– · university teacher
Wikidata and Wikimedia Commons (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Lannon.
When the index is not enough
This page says where Lannon is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.