Boniswil, Aargau, Switzerland Genealogy

Description: Guide to Boniswil, 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 Boniswil is in the district of Lenzburg in the canton of Aargau in Switzerland. Boniswil is situated in the Seetal valley, on the shores of Lake Hallwil, and on the Seetalstrasse. The municipality includes the village of Boniswil and the hamlets of Alliswil, which became part of Boniswil in 1898.

Boniswil (as of 2009) has an area of 2.41 km² (0.93 square miles). The land use is divided up as follows:
 * 57.3% - agricultural purposes
 * 7.9% - forested
 * 19.9% - settled (buildings or roads)
 * 0.4% - rivers or lakes
 * 12.0% - non-productive

History
In 1217–22, Boniswil was first mentioned by the name of Bonoltswile.

The population history of Boniswil is: 1764 - 253 inhabitants 1798 - 389 inhabitants 1850 - 695 inhabitants 1900 - 580 inhabitants 1950 - 653 inhabitants 2000 - 1,316 inhabitants 2020 - 1,520 inhabitants

Per the 2000 census:
 * 22.9% were Roman Catholic
 * 60.6% were Swiss Reformed Church
 * 0.30% were Christian Catholic Church

Spiritually, it was part of the Seengen parish until 1842 when it joined Leutwil parish.

Church Records
Boniswil belongs to the parish of Seengen; the upper part of Boniswil belonged to the parish of Leutwil until 1842. See Seengen and Leutwil for more information.

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

Alliswil was a separate municipality until 1898, when it became part of Boniswil. During these censuses, it was enumerated separately. The following censuses are available from FamilySearch for Boniswil and Alliswil:

Boniswil

 * 1837 (images 347-357)
 * 1850: Form A (images 21-34)
 * 1850: Form B (image 35)

Alliswil

 * 1837 (images 340-343)
 * 1850: Form A (images 6-9)
 * 1850: Form B (image 10)

Surnames
The following surnames held citizenship in Boniswil 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)