Seon Parish, Aargau, Switzerland Genealogy

Description: Guide to Seon Parish, Aargau, Switzerland, ancestry, family history, and genealogy: birth records, marriage records, death records, parish census, civil census, family history, area history, and military records.



Geography
The municipality of Seon is in the district of Lenzburg in the canton of Aargau in Switzerland. Seon is located in the Seetal valley, on the banks of the Aabach river. It consists of Seon and since 1899 Retterswil

Seon (as of 2009) has an area of 9.62 km² (3.71 square miles). The land use is divided up as follows:
 * 51.2% - agricultural purposes
 * 29.5% - forested
 * 19.8% - settled (buildings or roads)
 * 0.1% - non-productive (either rivers or lakes)

History
In 924, Seon was first mentioned by the names of Sewa and Seaun.

The population history of Seon is: 1764 - 722 inhabitants 1850 - 1,512 inhabitants 1900 - 1,873 inhabitants 1950 - 2,653 inhabitants 1975 - 3,597 inhabitants 1980 - 3,805 inhabitants 1990 - 4,468 inhabitants 2000 - 4,656 inhabitants 2020 - 5,198 inhabitants

Per the 2000 census:
 * 23.3% belonged to the Roman Catholic Church
 * 56.2% belonged to the Swiss Reformed Church
 * 0.12% belonged to the Christian Catholic faith

The Church in Seon was first mentioned in 1275 and dedicated to St. Martin, probably built before 1200. It was redesigned around 1400 and in 1708. The Reformation was adopted in 1528.

Church Records
The parish of Seon was first mentioned in 1275. In 1528 it became Reformed.

Original church records are located onsite at the Seon municipal archive. Microfilm copies of the following church records are available onsite at the Aargau State Archives:
 * Baptisms 1641-1713; marriages, burials 1648-1717
 * Baptisms, marriages, burials 1718-1752; confirmations 1736-1752
 * Baptisms 1753-1794
 * Baptisms 1795-1816; baptisms non-resident citizens 1789-1875
 * Marriages 1753-1852 marriages non-resident citizens 1770-1816
 * Marriages 1817-1852
 * Marriages 1853-1875
 * Marriages non-resident citizens 1817-1875
 * Burials 1753-1816; burials non-resident citizens 1828-1875

The following church records are only available onsite at the Seon municipal archive:
 * Baptisms 1817-1864
 * Baptisms 1865-1875
 * Burials 1853-1875

Post-1875 church records are found onsite at the Seon parish church office.

Census
(See here for information regarding Aargau census records.)

Retterswil was a separate municipality until 1899, when it became part of Seon. During these censuses, it was enumerated separately. The following censuses are available from FamilySearch for Retterswil and Seon:

Seon

 * 1837 (images 279-306)
 * 1850: Form A (images 435-473)
 * 1850: Form B (image 474)

Retterswil

 * 1837 (images 218-219)
 * 1850: Form A (images 325-327)
 * 1850: Form B (image 328)

Surnames
The following surnames held citizenship in Seon prior to 1875:

Related sources
The town's website (in German) can be found here.

Libraries and archives
State Archives of Aargau

Societies
Genealogical-Heraldic Society of Bern (GHGB)