There are a number of saints and blesseds named Isabel or Isabella so you need to be more specific.
19 March - Feast of St. Joseph1 May - Feast of St. Joseph the Worker
The feast day of St Lydia is on August 3.
The feast of St. Lucy is December 13.
The feast of St. Cecilia is on November 22.
July 29 is the feast of St. Martha.
The feast of St. Helena is August 18.
May 14 is the feast of St. Matthias.
January 3 is the feast of St. Genevieve.
August 11 is the feast of St. Clare of Assisi.
Feast of St. Anthony was created in 1919.
October 18 is the feast of St. Luke.
Simon shares October 26 as a feast day with St. Jude.