Greek last name help?

Question

I need the origin, meaning(if possible) and Greek spelling of the last names...

Kalogeropoulos

Lakiotis

Sarakos

Dimtrakos

Costas

... additional info is welcome also

Answer 1

kalogeropoulos---really old man?

lakiotis---maybe somoeone from laconia greece?

sarakos---doesnt it come from sarandakos?which mean 40

dimtrakos---son of dimitri

costas--hmmm i dont know ..constantine?,,

Answer 2

Just like to add that Kalogeropoulos would be the son of the monk - shown by opoulos -

Answer 3

Kalogeropoulos-Καλογερόπουλος-It derives from the word "kalogeros" (καλόγερος) which means a monk.

Lakiotis-Λακιώτης-Probably it derives from the Greek  word "lakizo" or "lakao" (λακίζω or λακάω) which means to run away from something or someone, in such way so as not to be caught.

Sarakos-Σαράκος-Maybe it has to do with the Greek word "saraki" (σαράκι) which is a type of worm

Dimtrakos-Δημητράκος-It derives from the name Demetrios(http://en.wikipedia.org/wiki/Demetrios) and since it has the ending -akos it means small or young Demetrios

Costas-Κώστας-It derives from the name Constantine http://en.wikipedia.org/wiki/Constantine

I did my best!