Why did the boy (Pip) say "Also Georgiana " and not just "Georgina " when asked by the convit?

Dear Sir/Ma'ma

The question which i have asked has troubles me a lot because ..... i told the aswer: HE THOUGHT IT AS NAME (ALSO GEORGIANA) AS HE HAD NEVER SEEN HIS PARENTS AS THEY WERE DEAD

But i am proved as wrong and it has great problem for the teaching career so plz do help me what is the answer to it