Lys surname: U.S. census count, rank and records | FamilyCrests

The Lys surname

In the 2010 U.S. Census, 245 people carried this name — #78,040 among all U.S. surnames, about 1 in every 1,250,000 people counted. That is up 54% from 159 in 2000.

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In Poland’s population register

771 people named Lys have a registered home in Poland.

Of the 1,178 in Poland’s national register, these are the ones with a permanent address on file. They live in 13 of Poland’s 16 voivodeships, most of all in Lublin.

Where it concentrates, on the map

Where they live today

Lublin 305
Masovian 86
Lesser Poland 72
Łódź 60
Holy Cross 53
Lower Silesian 39
Silesian 35
Pomeranian 34

PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.

In France’s civil register

France’s register of deaths holds 488 people named Lys.

7 of them were born outside France. Those born in France came from 41 départements, most often Charente-Maritime.

Where it concentrates, on the map

Where they were born

Born outside France 7
Charente-Maritime 181
Nord 133
Gironde 27
Gard 17
Paris 16
Pas-de-Calais 12
Charente 10
Calvados 8

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Switzerland’s population statistics

58 people named Lys live in Switzerland.

They live in 7 of Switzerland’s 26 cantons, most of all in Graubünden.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Graubünden 19
Lucerne 9
Bern 8
Zurich 7
Basel-Stadt 6
Vaud 6
Zug 3

Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.

In Belgium’s population register

At least 28 people named Lys live in Belgium.

Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Flemish Brabant.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Flemish Brabant 12
East Flanders 11
Hainaut 5

Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.

Who carried it

People named Lys,
with a public archive behind them.

  • Ivonne de Lys
    Ivonne de Lys 1933–2021 · actor
  • Andréa Lys 1899–1970
  • Maurice Lys 1914–1998 · geologist
  • Jane Elizabeth Creagh 1928–
  • Jacques Lys 1956– · politician
  • Valérie Lys 1962– · writer

Wikidata and Wikimedia Commons (CC0) · 8 lives in all are documented under this name.

Nearby in the index

Surnames next to Lys.

When the index is not enough

This page says where Lys 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.

See what a volume holds
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