The Syx surname
In the 2010 U.S. Census, 287 people carried this name — #68,547 among all U.S. surnames, about 1 in every 1,000,000 people counted. That is up 5% from 273 in 2000.
In Belgium’s population register
At least 112 people named Syx 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.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where 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 59 people named Syx.
3 of them were born outside France. Those born in France came from 7 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.
In print
Syx in American newspapers,
1900.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 2,278 pages in all carry the name.
Nearby in the index
Surnames next to Syx.
- Sylla 1,530 · U.S. census
- Sylva 1,834 · U.S. census
- Sylvain 2,143 · U.S. census
- Sylvestre 1,658 · U.S. census
- Syre 136 · U.S. census
- Syren 108 · U.S. census
- Szabo 7,678 · U.S. census
- Szafran 543 · U.S. census
- Szafranski 1,201 · U.S. census
- Szczepaniak 751 · U.S. census
- Szczepanski 2,036 · U.S. census
- Szczesniak 632 · U.S. census
When the index is not enough
This page says where Syx 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.