My best advice would be to pray to St. Joseph, Mary's spouse. He is an excellent role model for all husbands and fathers. I'm sure he would intercede for you to marry a wonderful man.
Saint Anne is often invoked as the patron saint for women looking for a husband. She is revered as the mother of the Virgin Mary and the grandmother of Jesus, and is believed to have intercessory powers for couples seeking a spouse. Many women pray to Saint Anne for guidance, inspiration, and help in finding a suitable husband.
If he's not religious or if he is he does not have to pray.
You can pray to St. Nicholas or any saint to ask them to intercede for you to God.
Pray in your own words to him, expressing your needs and what you are asking of him. at the end say" Saint Alberto Hurtado, Pray for Us"
You can pray to Saint Anthony of Padua when looking for lost things.
Which Saint Thomas? There are several.
Saint Rita's husband was murdered.
Constantius Chlorus was the name of Saint Helena's husband.
There is no patron saint of finance but St. Matthew is the patron saint of accountants.
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You should pray only to God.
There is no patron saint of guidance and direction. You might pray to your patron saint for that.