Voutsinas is a well known and well connected family originally from Corfu and Lafkada. Mid 19th century, many migrated to Odessa, Russia (Today Ukraine), a family or two may have settled in Constantinople (Constantinople being on the way). The had relatives in both Constantinople and Odessa. EDMOND is not an orthodox name and therefore it is wrong.
Bacoula (MPAKOULA) is another "Asian Minor" name, female name for "MPAKOS = BAKOS". (MPAKOS (male) MPAKOULA (female)). Off course it is related to many Greek names like MPAKO-POULOS, MPAKO-GIANNIS, etc.
You have a lot of work ahead of you.