On St. Brigid’s Feast Day,1 February, we invoke St Brigid, also known as Mary of the Irish or Muire na nGael.
St. Brigid’s cross is a small cross usually woven from rushes and associated with Brigid of Kildare .
Traditionally made before the Feast day of St. Brigid.
and people put them over doorways and windows to protect the home from any kind of harm.