I thought I would share some research I have put together between past-down stories from my father, and the Internet. I published them on
www.surnameweb.org below is
the link
To the best of my studies and research:
Tacheny is a derivative from Walloon language for "From Aachen” in the Belgium area known as Wallonia specifically Liege.
The name Wallonia is related to the name Wales, as the old Germanic term Walh simply means "stranger". Both Wallonia and Wales are regions where a "strange" (i.e. non-Germanic) language and culture exist. Wallachia in Romania has a similar derivation. The term Walloon' was also used in the late 18th and the 19th century to refer to French-speakers who migrated to the Netherlands, e.g. 'Walloon parishes' in Dutch province of Nederlands-Limburg.
If anyone can find a better history please e-mail me
David Tacheny
Seattle WA. USA
Surnames and Variants: tacheny
http://www.surnameweb.org/scripts/data/database.cgi?
file=swlink&report=norigin&surname=Tacheny