From the experts:
Easter has been used as a name for several hundred years, as part of the day-naming tradition; now, this rarely heard holiday celebration name would make a novel choice for a springtime baby.
Background:The early Anglo-Saxon monk and scholar Bede took the name of a goddess--Eostre-- whose feast was celebrated at the vernal equinox and gave it to the Christian festival of the resurrection of Christ.
Easter appeared on the Top 1000 list during the first few decades of the twentieth century. It was heard for the character played by Jasmine Guy in the TV miniseries Queen.
International versions include Pascal, Pasqua and Pascua.