Saint Patrick drove the snakes from Ireland is just a myth since that country has never had snakes.
The best known legend says that Saint Patrick drove all the snakes from Ireland when that country never had any snakes to begin with.
If Saint Patrick had any pets there is no record of them.
Saint Patrick is real, but leprechauns are not real.
If Patrick had any brothers we have no record of them.
There is no mention in any biographies about any possible siblings of Patrick.
Saint Patrick was a priest and bishop. He neither married nor had any children.
Saint Patrick was a Catholic bishop and neither married nor fathered any children.
Saint Patrick did not 'start' any country. He did go to Ireland as a missionary but did not found that country.
Patrick was a Catholic bishop and neither married nor had any children.
You have it backwards. Saint Patrick's Day was named after Saint Patrick. March 15 is the Catholic feast day of Saint Patrick.
If Patrick had any siblings, there is no record of their names.
St. Patrick died on March 17th, 461