I can find no saint by the name of Cynthia.
There is no particular patron saint of dedication. All saints could be considered as dedicated so any saint could be considered a patron saint of dedication.
I am not sure what your question means. Galileo could not be a patron saint because he is not saint.
There seems to be no designated patron saint of outdoorsman. The best matches would be Francis of Assisi who is the patron saint of ecology and the environment or Hubert of Liege who is the patron saint of hunters.
The Patron Saint of writers and journalists is Saint Francis de Sales.There are patron saints of book sellers, book keepers and book binders but no patron saint of books.
St. Sebastian is the patron of athelete's, but as a rugger for forty plus years, I think they could find one for us who could devote all his time to the game and the players. St Sebastian is patron of scores of areas.
Officially there is no patron saint of twins. Unofficially, St. Benedict and St. Scholastica could hold that position.
Patron Saint of financial officers and money managers is St. Matthew the Apostle. That's as close as I could find.
As far as I can determine, there is no special patron saint of cheerleaders. However, there are a number of other female saints who could help you: St. Lucy, St. Agnes, St. Philomena, St. Maria Goretti, for example. Even St. Teresa of Avila would be a good choice. During her teenage years she was quite rebellious and preferred boys, fine clothes and socializing to a religious life.
Roman Catholic AnswerThere is no Saint Marissa as such, so no, she is not the patron saint of dance, or anything else. One could say that the name was a form of Maria which is Mary, the Mother of God. But, again, the Blessed Virgin Mary is not the patron saint of dance.
Well if st Patrick is the patron saint of Ireland you could say cheers in Irish which is slainte(prononce slawn-che)
There is no patron saint of flowers. However , there are several patron saints of florists:Dorothy of CaesareaFiacreHonorius of AmiensRose of LimaTherese of Lisieux
There is no designated patron saint of good will. However, all saints could fulfill that position.