How to use "identity" in a sentence

Is there such perfect identity of interests among the States to compose a new Union, as to produce harmony only, and prevent renewed secession?

But nobody has ever discovered his true identity.

Cosette had brought her letter case and blotter with her, Valjean his box of child's clothing and the old National Guard uniform which all respectable men possessed, and which he had worn under a previous identity.

Your father is only suffering an identity crisis

Left-wingers and right-wingers differed about certain details, of course, but their only major point of contention centered on the identity of those who would be permitted to be a part of the privileged ruling class, once the power had been sufficiently centralized.

Unable to prove his identity, he was required to pay for both nights in advance, which he did, taking the money from a wad of cash he'd stuck in his pocket rather than from the wallet that supposedly had been stolen.

My one hope now was to prove Laura's identity, but Mr Kyrle, having heard the whole story, said that it would be impossible

'We must bring them to justice! We must give Laura back her true identity! Mr Kyrle says we can't prove that she is Lady Glyde, so we must force one of them to confess it

Mr Kyrle told us that if she could not remember what had happened to her, we had no hope of proving her identity.

After having read them all, Mr Kyrle said that Laura's identity was now proved