The Dekeyser surname
In the 2010 U.S. Census, 811 people carried this name — #29,198 among all U.S. surnames, about 1 in every 370,400 people counted. That is up 4% from 782 in 2000.
In Belgium’s population register
At least 1,758 people named Dekeyser 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 403 people named Dekeyser.
29 of them were born outside France. Those born in France came from 21 départements, most often Nord.
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.
Who carried it
People named Dekeyser,
with a public archive behind them.
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Miel Dekeyser 1932–2017 · journalist
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Jean-Paul Andret 1946– · actor
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Cécile Bigot-Dekeyzer 1964– · official
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Robert Dekeyser 1964– · association football player
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Patrick Dekeyser 1969– · politician
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Kristof Dekeyser 1983– · rower
Wikidata (CC0) · 7 lives in all are documented under this name.
Nearby in the index
Surnames next to Dekeyser.
- Dejan 138 · U.S. census
- Dejardin 296 · U.S. census
- Dejean 1,978 · U.S. census
- Dejoie 325 · U.S. census
- Dejonghe 231 · U.S. census
- Deken 199 · U.S. census
- Dekeyzer 169 · U.S. census
- Dekker 2,246 · U.S. census
- Dekoker 141 · U.S. census
- Dekoninck 115 · U.S. census
- Dekoster 230 · U.S. census
- Del 369 · U.S. census
When the index is not enough
This page says where Dekeyser 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.