The Castelein surname
In the 2010 U.S. Census, 146 people carried this name — #118,853 among all U.S. surnames, about 1 in every 2,000,000 people counted. That is up 9% from 134 in 2000.
In Belgium’s population register
At least 643 people named Castelein 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 West Flanders.
Where it concentrates, on the mapWhere they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 122 people named Castelein.
10 of them were born outside France. Those born in France came from 12 départements, most often Nord.
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.
Who carried it
People named Castelein,
with a public archive behind them.
-
Pauline Mélanie Castelein 1824–1893
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Hector Polidore Castelein 1873–1938 · military personnel
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Sipke Castelein 1941– · economist
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Ingrid Castelein 1953– · painter
Wikidata (CC0).
Nearby in the index
Surnames next to Castelein.
- Castaldo 2,222 · U.S. census
- Castan 226 · U.S. census
- Castaner 203 · U.S. census
- Castanheira 193 · U.S. census
- Castano 6,133 · U.S. census
- Castel 711 · U.S. census
- Castell 939 · U.S. census
- Castella 262 · U.S. census
- Castellan 249 · U.S. census
- Castellana 386 · U.S. census
- Castellani 566 · U.S. census
- Castellano 11,238 · U.S. census
When the index is not enough
This page says where Castelein 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.