Therwil Parish, Basel-Landschaft, Switzerland Genealogy

Description: Guide to Therwil Parish, Basel-Landschaft, 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 Therwil is in the Arlesheim district and the Basel-Landschaft canton. It is located along a watercourse in the middle Leimental.

Therwil (as of 2009) has an area of 7.63 km² (2.95 square miles). The land use is divided up as follows:
 * 46.1% - agricultural purposes
 * 24.6% - forested
 * 29.1% - settled (buildings or roads)
 * 0.1% - rivers or lakes
 * 0.4% - non-productive

History
In 1223, Therwil was first mentioned by the name of Tervville. Therwil is in the Arlesheim district and the Basel-Landschaft canton.

The population history of Therwil is: 1630 - 350 inhabitants 1753 - 597 inhabitants 1815 - 699 inhabitants 1850 - 892 inhabitants 1860 - 923 inhabitants 1870 - 926 inhabitants 1880 - 862 inhabitants 1888 - 961 inhabitants 1900 - 1,028 inhabitants 1910 - 1,036 inhabitants 1920 - 1,082 inhabitants 1930 - 1,202 inhabitants 1941 - 1,196 inhabitants 1950 - 1,459 inhabitants 1960 - 1,946 inhabitants 1970 - 5,412 inhabitants 1980 - 7,311 inhabitants 1990 - 7,608 inhabitants 2000 - 8,434 inhabitants 2021 - 10,042 inhabitants

Per the 2000 census:
 * 38.2% were Roman Catholic
 * 36.1% were Swiss Reformed Church
 * 0.63% were Orthodox Church
 * 0.64% were Christian Catholic Church
 * 2.74% were other Christian Church

In 1267, the Saint Etienne church was mentioned. It was rebuilt in 1627. In the 17th century, the Sainte-Anne chapel was built. In 1525, the Sainte-Combourgeois of Basel was mentioned. In 1526, Therwil adopted the Reformation. In 1590, Therwil was re-catholicized.

Church Records
The parish church in Therwil was established in 1267. It became Reformed in 1526, and was re-Catholicized in 1590. It included Ettingen until 1802. Parish records for Therwil are available online from the Basel-Landschaft State Archive. The 34 volumes of digitized records include:
 * 1589-1909 Baptisms at Basel-Landschaft State Archive
 * 1612-1909 Marriages at Basel-Landschaft State Archive - with gaps
 * 1647-1930 Burials at Basel-Landschaft State Archive - with gaps
 * 1649-1886 Confirmations at Basel-Landschaft State Archive - with gaps
 * 1812-1875 Family book at Basel-Landschaft State Archive

Census
(See here for information regarding Basel-Landschaft census records.)

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

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

Libraries and archives
State Archives of Basel-Landschaft

Societies
Genealogical-Heraldic Society of Region Basel (GHGRB)