I came across your posting and there are a few names spelled incorrectly.
Starting from your own which is Anastasia and not Anastacia.
Your fathers name is: Georgios Dimitriou Maureas
Unfortunately, the name Dimitrios is replaced by "James". Sometimes "James" is used for other names.
Maureas is variation of the Venetian name "Mauro" (widespread in Greece). It has nothing to do with the name "Mavros" which has exactly the same meaning but is a direct "translation" of the Turkish "Karas" for example "Karagiannis" = "Mavrogiannis". You can expect to find many variations. In USA, Maureas is common.
You grandmothers name Camebilis (I am reasonably sure) is Kambylis (also Kambilis or Kambelis) (Turkish/Arabic/Greek) (She maybe fro Asia Minor)
And your mothers name (Criscilla) should read Chrysoulla; unless it is "Priscilla".
Agelopulos = Angelopoulos (you say "Angel" not "Agel" or "Aggel" as some others do).
The other surname is "Eliopoulos". Establish the correct spelling: Is it Eliopoulos (from Elias (name)) or Illiopoulos (from "Ilios" (the Sun)).
The spelling of "Papas" is also important. Is it "Papas" or "Pappas"
In USA people understand when you say the wrong name (Peter instead of Panagiotis) but in Greece Panagiotis is Panagiotis.