No, she is not a saint.
Saint Anastasia of Sirmium is the patron saint of:martyrsweaverswidows
Anastasia's family, the Romanov didn't get kicked out of Russia. They were murdered
Saint Anastasia of Sirmium was martyred about the year 304AD. The precise date is not known.
Russia
Her Imperial Highness, the Saint Grand Duchess Anastasia Nikolaevna Romanova died at about 2 am on July 17th, 1918 in a planned assassination by the Bolshevik soldiers at the Ipatieve House in Yekaterinburg, Russia.
She was a Christian.
The feast day of Saint Anastasia of Sirmium is on December 25.
she was born in Russia in 1901.
Grand Duchess Anastasia Mikhailovna of Russia was born on July 28, 1860.
Grand Duchess Anastasia Mikhailovna of Russia was born on July 28, 1860.
Grand Duchess Anastasia Mikhailovna of Russia died on 1922-03-11.
Grand Duchess Anastasia Nikolaevna of Russia was born on 1901-06-18.