St. Dymphna was killed in the year 650, and was only around 15 years old.
There is no patron saint of emotional difficulties or problems but St. Jude is the patron of difficult situations.
Roman Catholic AnswerSt. Dympha is patron for the mentally ill, St. Drogo of the deaf, ill, deformed, St. Giles is patron for the disabled, St. Nicholad of Myra, St. Raymond Nonnatus, and St. Nicholas of Tolentino for children. The below link is for all the patron saints for the handicapped.
Saint Agnes was martyred in Rome.
I can find no saint named Coluba.
Saint Oda died in 726.
Saint Non died in 5##.
Saint Honestus died in 270.
Saint Ermengol died in 1035.
Saint Meinhard died in 1196.
Saint Eskil died in 10##.
Saint Fergus died in 730.
Saint Bessus died in 2##.