The Janiec surname
In the 2010 U.S. Census, 305 people carried this name — #65,066 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is up 6% from 289 in 2000.
Where the name comes from
The origin of the Janiec surname
From Jan + -iec.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Janiec» (Polish), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Poland’s population register
3,591 people named Janiec have a registered home in Poland.
Of the 3,886 in Poland’s national register, these are the ones with a permanent address on file. They live in all 16 of Poland’s voivodeships, most of all in Subcarpathian.
Where it concentrates, on the mapWhere 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.
In France’s civil register
France’s register of deaths holds 59 people named Janiec.
23 of them were born outside France. Those born in France came from 12 départements, most often Meurthe-et-Moselle.
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.
In the Nordic population registers
21 people named Janiec is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Who carried it
People named Janiec,
with a public archive behind them.
-
Waldemar Janiec 1935–2019 · pharmacist
-
Zdzisław Janiec 1951–2025 · theologian
-
Eugenia Prokop-Janiec 1959– · literary historian
-
Jacqueline Janiec 1962– · politician
-
Agnieszka Janiec 1980– · polonist
-
Łukasz Janiec 1984– · ice hockey player
Wikidata (CC0) · 8 lives in all are documented under this name.
Nearby in the index
Surnames next to Janiec.
- Janer 203 · U.S. census
- Janes 7,659 · U.S. census
- Janet 437 · U.S. census
- Janey 666 · U.S. census
- Janiak 781 · U.S. census
- Janicki 1,940 · U.S. census
- Janik 3,265 · U.S. census
- Janin 110 · U.S. census
- Janis 4,233 · U.S. census
- Janiszewski 1,159 · U.S. census
- Jankovic 718 · U.S. census
- Jankowiak 581 · U.S. census
When the index is not enough
This page says where Janiec 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.