The Kiefer surname
In the 2010 U.S. Census, 11,141 people carried this name — #3,240 among all U.S. surnames, about 1 in every 26,500 people counted. That is up 4% from 10,756 in 2000.
In France’s civil register
France’s register of deaths holds 905 people named Kiefer.
110 of them were born outside France. Those born in France came from 43 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 Switzerland’s population statistics
829 people named Kiefer live in Switzerland.
They live in 20 of Switzerland’s 26 cantons, most of all in Zurich.
Where it concentrates, on the mapWhere 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 54 people named Kiefer 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 Buenos Aires Province.
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 Poland’s population register
39 people named Kiefer have a registered home in Poland.
Of the 87 in Poland’s national register, these are the ones with a permanent address on file. They live in 5 of Poland’s 16 voivodeships, most of all in Lower 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.
In the Nordic population registers
47 people named Kiefer 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).
In print
Kiefer in American newspapers,
1894–1960.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 56,658 pages in all carry the name.
Who carried it
People named Kiefer,
with a public archive behind them.
-
Herman Kiefer 1825–1911 · physician -
Andrew Kiefer 1832–1904 · politician -
Heinrich Kiefer 1867–1922 · cellist -
Edward H. Kiefer 1874–1951 · politician -
Karl Kiefer 1874–1946 · businessperson
Wikidata and Wikimedia Commons (CC0) · 153 lives in all are documented under this name.
Nearby in the index
Surnames next to Kiefer.
- Khalil 6,983 · U.S. census
- Khan 76,171 · U.S. census
- Khatchadourian 232 · U.S. census
- Khayat 405 · U.S. census
- Khoury 5,753 · U.S. census
- Kibler 5,849 · U.S. census
- Kieffer 6,656 · U.S. census
- Kieger 138 · U.S. census
- Kiehl 1,902 · U.S. census
- Kielbasa 599 · U.S. census
- Kien 600 · U.S. census
- Kiene 356 · U.S. census
When the index is not enough
This page says where Kiefer 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.