Hi, Vlinder.
You may want to check
this list of Orthodox Saints called upon for special purposes.
For convenience, I reproduced the list below:
To Have a Child
St. Anna, Mother of the Theotokos
St. Elizabeth, Mother of the Forerunner
St. Sabbas the Sanctified of Palestine
St. Irene Chrysovolantou
St. Symeon the Myrrh-streamer, father of St. Sava of Serbia
For Safe Childbirth
St. Eleutherios
For the Care & Protection of Infants
St. Stylianos
For Young People
Holy Great Martyr Demetrios the Wonderworker
For Marital Difficulties
Holy Martyrs Samonas, Guria & Habib
SS Peter & Febronia of Muron (also for newlyweds)
Delivery from Sudden Death
St. Barbara the Great Martyr
Against Drinking
Holy Martyr Boniface & the Righteous Aglais
For Travelers
St. Nicholas: in general, & specifically for sea travel
St. John the Russian: for transport, auto, busses
St. Niphon, Patriarch of Constantinople: for safety at sea
For the Kitchen, Home
St. Euphrosynos the Cook
St. Sergius of Radonezh: for baking
SS. Spyridon & Nikodim of
Kievo-Pechersk*: Prosphora making
St. Juliana Lazarevskaya
St. Prochor of Kievo-Pechersk
For Trading
St. Paraskeva
For Cobblers
St. Eustathius the Cobbler of Georgia
For Physicians
St. Panteleimon
Holy Unmercenaries Cosmas & Damian
St. Agapit the Physician of Kievo-Pechersk
For Perfumers
St. Abo the Perfumer of Georgia
For Headaches
Holy New Martyr Demas of Smyrna
For Eyes
St. Paraskeva
St. Lucia of Sicily
For Ears
St. Spyridon the Wonderworker
For Teeth
St. Antipas of Pergamum
For Hernias & Intestinal Disorders
Holy Great Martyr Artemius
St. Artemius of Verkola
For Throat
St. Blaise of Sebastia
For protection against cancer
St. Nectarios of Egina
For Finding Employment
St. Xenia of St. Petersburg
For Help in Studies
Three Hierarchs: St. Basil the Great, St. John Chrysostom, St. Gregory the Theologian
St. Sergius of Radonezh
St. John of Kronstadt
St. Nestor the Chronicler of Kievo-Pechersk
St. Justin the Philosopher
St. Catherine of Alexandria
For Church-Chanting
St. Romanos the Melodist
St. Theodosius of Chernigov
St. John Koukouzelis
SS. Leonty & Geronty, Canonarchs of Kievo-Pechersk
For Iconographers
St. Luke the Apostle and Evangelist
St. Alypius of Kievo-Pechersk
St. John of Damascus
St. Andrei Rublev
For Patient Endurance of Affliction
St. Job the Much-Suffering
St. Eustathius Placidas & Family
Holy Forty Martyrs of Sebastia: especially in freezing cold weather
Holy Forty-Two Martyrs of Amorion
St. Pimen the Much-Suffering of Kievo-Pechersk
For Protection Against Thieves
St. Gregory the Wonderworker of Kievo-Pechersk
For Stone-workers
Holy Martyrs Florus & Laurus
For Soldiers
Holy Archangel Michael
St. George the Great Martyr
St. Barbara the Great Martyr
St. Titus the Soldier of Kievo-Pechersk
For Spiritual Help, Consolation & Compunction
St. Ephraim the Syrian
St. Alexis the Man of God
St. Seraphim of Sarov
For a Good End to One's Life
Holy Archangel Michael
St. Niphon, Patriarch of Constantinople
For Captives and Court Cases
St. Onouphrios the Great
St. Peter of Athos
St. George the Great Martyr
St. Simeon the God-Receiver
For Help in Distress, Poverty, Etc.
St. Nicholas the Wonderworker
St. Martin of Tours, the Merciful
St. John the Almsgiver of Alexandria
St. John of Kronstadt
For Finding Things
St. Phanourios the Great Martyr
St. Menas the Great Martyr of Egypt
For Meeting a Difficult Situation, an Interview, Etc.
St. David the Prophet, Psalmist & King
The Holy Unmercenaries & Healers Cosmas & Damian
SS. Cyrus & John of Alexandria
SS. Panteleimon & Hermolaus
St. Mocius
St. Thallelaus
St. Diomedes the Healer
St. Anicetus
St. Julian the Martyr
St. Zotious the Orphan-Keeper
St. John of Kronstadt
St. Nectarios of Aegina
St. John of Shanghai and San Francisco
Holy Archangel Raphael
For Animals & Livestock
St. George: cattle & herds
St. Modestus of Jerusalem
Holy Martyr Mamas
St. Parthenius of Radovysdius: cattle
SS. Spevsippus, Elesippus & Melevsippus: horses
For Protection of Crops from Pests
St. Michael of Synnada
St. Gerasimos the New Ascetic
St. Tryphon
For the Protection of Gardens Against Pests
Holy Great Martyr Tryphon: also for hunters and Patron of Moscow
Against Witchcraft
SS. Cyprian & Justina
St. Theodore Sykeote
St. Mitrophan of Voronezh
St. Leo of Catania
Ss. Lucian & Marcion
For Chastity & Help in Carnal Warfare
St. John the Forerunner
St. Demetrios the Great Martyr
St. Moses the Hungarian
St. John the Much-Suffering
Holy Martyr Theodore the Byzantine
Holy Martyr Ignatios of Athos
St. Thomais
St. Martinian
St. Basil of Mangazea
St. Mary of Egypt
St. Joseph the All-Comely
St. Susanna [Old Testament]
St. Anysia the Virgin Martyr
For Mental Disorders
St. Naum of Ochrid
St. Anastasia
St. Gerasimos of Cephalonia: the possessed
Against the Plague
St. Haralambos
St. Marina the Great Martyr
St. Bessarion of the Saviour, Archbishop of Larissa
For Help Against Quick-Temper & Despondency
St. Tikhon of Zadonsk
For Workers in Hospitals
Holy Unmercenaries Cosmas & Damian
St. Anastasia the healer
St. Dositheus, Disciple of Abba Dorotheus
For Guilelessness & Simplicity
Holy Apostle Nathaniel
St. Paul the Simple
*Kievo-Pechersk Lavra is a large Slavic monastic community dating to the 10th century.