what saint died at a young age for being raped?

Answer 1

Maria Goretti died at 13, I think; she was not raped, but Antonio (Alessandro? I think that's the last name) was certainly trying to do something like that. (I think in today's lingo, he would be characterized more as a stalker than a rapist, as they knew each other and she had repeatedly refused his advances.) At some point, he became frustrated and stabbed her in the abdomen (more than once, I think). She died a couple days later of sepsis, having specifically forgiven her attacker.

Answer 2

Saint Agnes of course....According to her legend, Saint Agnes was a member of the Roman nobility born c. 291 and raised in a Christian family. She suffered martyrdom at age 13 during the reign of the Eastern Roman Emperor Diocletian, on January 21, 304.

The prefect Sempronius wished her to marry his son, and on her refusal condemned her to death. Roman law did not permit the execution of virgins, so he ordered her to be raped beforehand; but her virginity was, according to the legend, miraculously preserved. When led out to die she was tied to a stake, but the bundle of wood would not burn, whereupon the officer in charge of the troops drew his sword and struck off her head.