I thought of an English name. Now I have two names to choose from. One is Claire and the other is Cynthia. Which is better?

English names should suit you. Both the names you chose are good, but the styles are slightly different.

The first name, Claire, is simple, peaceful and idyllic;

Cynthia, however, has a feminine name and a classical flavor, which reminds people of the characters in classical oil paintings.

It is suggested that if you like coarse cloth and jeans, choose the first one that is slightly feminine;

If you are usually feminine and follow the goddess style, choose the second name.