1889 wies/village Tulawa was a hamlet size village of predominantly Ruthenian/Ukrainians. The filial RC Parish was in Sniatyn and the filial GC Parish was in Uscie nad Prutem. Sniatyn was both the powiat (adm district - county) and the gmina (judicial/tax district) > Stanislawow (until 1964 when it was renamed Ivano-Frankivska) region > Historic Galicia (Halyczyna) Province > Austro-Hungarian Empire.
TODAY this is selo/village Tulova = Тулова (founded in 1565) > Sniatynskij raion/district > Ivano-Frankivska oblast/region > Ukraine, latest zip 78347. Population 887.
LDS has filmed GC Church Registers for Uscie (1883-1911, where your families were likely parishioners.https://familysearch.org/search/catalog/1316122
If you have not researched these films before, take a close look at following site, which is invaluable resource for anyone w/Galician roots. http://www.halgal.com/vitalrecords.html
Yes, there are surviving families living in Ukraine.
There are 90 Fodchuk(czuk) still living in Tulova today. I am not listing them, but following are Kostyniuk listed for Tulova:
КОСТИНЮК АННА ПЕТРОВНА 0 1927-06-17 ТУЛОВА
Anna daughter of Petro
КОСТИНЮК АННА НИКОЛАЕВНА 0 1932-03-18 ТУЛОВА
Anna daughter of Mykola
КОСТИНЮК ДАРИЯ АЛЕКСЕЕВНА 0 1932-04-17 ТУЛОВА
darya daughter of Aleksij
КОСТИНЮК АННА МИХАЙЛОВНА 0 1926-06-13 ТУЛОВА
Anna daughter of Myhajlo
КОСТИНЮК ПАРАСКА ИВАНОВНА 0 1950-08-13 ТУЛОВА
Paraska daughter of Ivan
КОСТИНЮК ИВАН СТЕПАНОВИЧ 0 1949-01-01 ТУЛОВА
Ivan son of Stefan
КОСТИНЮК СТЕПАН ПЕТРОВИЧ 0 1922-01-02 ТУЛОВА
Stefan son of Petro
КОСТИНЮК ВЛАДИМИР ПЕТРОВИЧ 0 1959-05-27 ТУЛОВА ШЕВЧЕНКА 48
Volodymir son of Petro