A gutn joidesh!
I want to ask you a question about my name. As I grow up, everybody in school called me with a yidishe nomen, all the way until high school. My family called me with my goyishe nomen. So when I got married, I put my yidishe nomen on my k´suba as I thought it was the right thing to do. I got married in Monsey where everybody knew me that way. Years later and after moving back to my familys city- where everybody knows me with my goyishe name, my mother told me that I was NEVER given a yidishe nomen!! My question is if I am supposed to do something about it: Either change my name, or maybe write another k´suba?? I am already married for 25 years.
No, you don’t have to be concerned about this.
A name that everybody calls you by is a true name, even if you were never officially “given” the name at your Bris.
Of course, for purposes of a Get document you would have to mention the non-Jewish name, too, but for the Kesubah having your common Jewish name written is sufficient.