There are several but one of the better know was St. Germaine Cousin. She was born sickly and badly deformed. Her mother died when she was quite young and her father's new wife hated her and treated her quite badly.
She was born in 1579 in Pibrac, France, and died there in 1601. She was canonized by Pope Blessed Pius IX on June 29, 1867.
There is no patron saint of defiant children but St. Dominic Savio is the patron saint of juvenile delinquents.
Yes, Saint William of Rochester is recognized as a patron saint of adopted children, foster children, and parents who have lost children.
There is no patron saint of bullying or against bullying.
There is no patron saint of children's health but the Infant of Prague is the patron saint of good health.
The patron saints of unborn children are Saint Joseph and Saint Gerard Majella.
Saint Nicholas of Myra is the patron saint of children, scholars and penitent thieves as well as a number of other causes. For a complete list of his patronages, click on this link.
As per the Patron Saints Index, the patron saints of unborn children are Saint Gerard Majella and Saint Joseph.
I see no specific saint for healing of children. However, St. Brigid of Ireland is considered as the patron saint of healers.
The patron saint against autism is St. Ubaldus Baldassini.
There are patron saints of children or orphans or social workers but no patron saint of child custody.
yes
The patron saint of running water is St. John Nepomucene
Saint Thomas More, Saint Clotilde & Saint William of Rochester are the Patron Saints of Adoption. Interestingly, Saint William of Rochester is solely dedicated to the patronage of Adopted Children, and no other areas of life. St. Joseph is the patron saint of families.