The Bily surname
In the 2010 U.S. Census, 437 people carried this name — #48,347 among all U.S. surnames, about 1 in every 666,700 people counted. That is down 7% from 472 in 2000.
What the name means
The meaning of the Bily surname
From Czech bílý (“white”) or Ukrainian білий (bilyj, “white”).
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Bily» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 434 people named Bily.
4 of them were born outside France. Those born in France came from 35 départements, most often Morbihan.
Where it concentrates, on the mapWhere they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Poland’s population register
31 people named Bily have a registered home in Poland.
Of the 73 in Poland’s national register, these are the ones with a permanent address on file. They live in 3 of Poland’s 16 voivodeships, most of all in Silesian.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
PESEL register, Ministry of Digital Affairs of Poland (dane.gov.pl) — CC0 · living people by voivodeship of permanent residence, 20 January 2026.
Nearby in the index
Surnames next to Bily.
When the index is not enough
This page says where Bily 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.