Hello and thank you for using justanswer.com. My name is XXXXX XXXXX I will do whatever I possibly can to help answer your questions. I am very sorry you have ran into this complication.
So basically you are wanting to tie in all accounts onto one correct? If that is the case sadly the only way is to install Skype onto each machine and login to each machine according to Skype they have not created it to sync multiple accounts.
You can also contact them at this page to see if they can merge the accounts in some way. But so far it looks like that the Skype service has not created any way or means to do this.
I have 1 skype name (donnada2) on 2 mac laptops and 1 ipad. When I tried to open the same name on my iphone, skype said this name was in
use and forced me to choose another name (donnada44);
one computer and the ipad have the same name donnada2 & password;
one computer has the name donnada2, but a different password
the iphone has the name donnada44 with a different password.
one computer has the name donnada2, but a different password"
you can't possibly have the same account name with two different passwords, Skype would not allow that. You are probably confusing the computer or other password XXXXX your Skype password, I suggest you check that again. Sign out of that account on all and sign in again with the same password XXXXX each. You should just close the donnada44 account and only use one account on all devices. Let me know.