Hi, Did you try Google for the naming patterns.
This might help a little.

Thekla Christine was born 23 Sep 1859, Gustafs,Kopparberg, Sweden; christened 24 Sep 1859, Gustafs, Kopparberg, Sweden; parents are listed as Lars Jansson and Sara Lisa Ersdotter Baska (Boska). Thekla married 24 July 1881, Gustafs, Kopparberg, Sweden Daniel Karlstrom.

Lydia was born 7 Sep 1882, Gustafs, Kopparberg, Sweden.

Kopparberg is now known as Darlarna.

Any more help?

Margie