Perhaps you have not noticed what it was.
If so, don't look back for it.

It is a name no manly boy would like to be called by--if he spoke the truth.

Oswald is said to be a very manly boy, and he despises that name, and will never give it to his own son when he has one.

Not if a rich relative offered to leave him an immense fortune if he did.

Oswald would still be firm.