Crispin: Cross of Lead Identity Quotes

How we cite our quotes: (Chapter. Paragraph)

Quote #10

And my name—I knew with all my heart—was Crispin. (58.46)

This is the last line of the book, the idea we leave with. What is so important about this name? How is Crispin able to accept it even though it's his less-than-stellar father's name?