In Lithuania: Telsiai County

Telsiai county has four municaplities (savivaldybės): Mazeikiai m., Telsiai m., Plunge m., and Rietavas m. If you've traced your ancestors to Telsiai, or have questions about Telsiai, this is the place to disucss.

Wikipedia page for Telsiai County.
The Plunge Library has a nice website with an English version available.

2001 Census
Telsiai County's rural settlements and their inhabitants.

Various records, 1665 to 1942, for villages in Telsiai County: Viekšniai, Krakiai, Naikiai, Miliai, Maigiai--all near Mažeikiai.

Lithuanian Army Records for the Wars for Independence (1919-1920)
This site is in Lithuanian, but it is a valuable resource in finding
ancestors who stayed behind in Lithuania, or emigrated later.  It lists
volunteers for the Lithuanian Army during the Wars for Independence. 
The link below will take you to the names beginning with "A".   Just
click on the first letter of the surname for which are searching.

Fulfillment of military service earned the soldier free land.  The descriptions
generally give a certificate number, and where the land was granted. 
Birthdays and relative information may also be listed.

http://www.versme.lt/sav_a.htm