The Sonntag surname
In the 2010 U.S. Census, 1,897 people carried this name — #15,442 among all U.S. surnames, about 1 in every 156,300 people counted. That is up 3% from 1,840 in 2000.
In France’s civil register
France’s register of deaths holds 541 people named Sonntag.
42 of them were born outside France. Those born in France came from 32 départements, most often Bas-Rhin.
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
188 people named Sonntag have a registered home in Poland.
Of the 253 in Poland’s national register, these are the ones with a permanent address on file. They live in 7 of Poland’s 16 voivodeships, most of all in Pomeranian.
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 Switzerland’s population statistics
113 people named Sonntag live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
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 Argentina’s national register
At least 71 people named Sonntag live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Misiones.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In the Nordic population registers
156 people named Sonntag are counted in Finland and Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published. Finland counts its citizens, at home or abroad.
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) · Digital and Population Data Services Agency (DVV), Finland, surname statistics, August 2026 — CC BY 4.0.
In print
Sonntag in American newspapers,
1913–1915.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 349,799 pages in all carry the name.
Who carried it
People named Sonntag,
with a public archive behind them.
-
Christoph Sonntag 1654–1717 · parson -
Karl Gottlieb Sonntag 1765–1827 · teacher -
Karl Gottlieb Sonntag 1765–1827 · teacher
-
Joseph Sonntag 1784–1834 · painter -
Anna Zontag 1785–1864 · children's writer -
Johann Gottfried Sonntag 1750–1822 · land owner
Wikidata and Wikimedia Commons (CC0) · 9 lives in all are documented under this name.
Nearby in the index
Surnames next to Sonntag.
- Song 25,110 · U.S. census
- Songy 507 · U.S. census
- Sonier 490 · U.S. census
- Sonmez 163 · U.S. census
- Sonneville 129 · U.S. census
- Sonnier 6,068 · U.S. census
- Sontag 2,134 · U.S. census
- Sonzogni 122 · U.S. census
- Sophie 157 · U.S. census
- Soprano 447 · U.S. census
- Sor 539 · U.S. census
- Sorce 943 · U.S. census
When the index is not enough
This page says where Sonntag 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.