Who was alive in AD 400?
42 of the people we track were surely alive in AD 400. The best known are listed first, with the age each reached that year; a range such as 17–21 means the birth year itself is uncertain.
Augustine of Hippo46
Hypatia37–42
Jerome52–57
John Chrysostom45–56
Pope Leo I0–12
Pope Sixtus III7–12- Pope Boniface I27–32
- Pope Anastasius I59–60
Saint Patrick12–17
Honorius16Arcadius23
Cyril of Alexandria23–24
Mesrop Mashtots36–40
Nestorius10–20
Gaiseric10–11
Flavius Aetius0–10
Marcian7–8
Claudian27–32
Theodoric I6–7
Petronius Maximus1–6
Avitus5
Constantius III28–32- Stilicho41
Epiphanius of Salamis82–87
Faxian60–63
Orosius12–17
Kumārajīva55–56- Pelagius43–48
- Socrates of Constantinople17–23
Galla Placidia13–14
Tao Yuanming35
Prudentius52
Macrobius27–32
John Cassian40
Synesius29–30- Chlodio4–9
- Pulcheria1
Mary of Egypt53–59
Martianus Capella37–43
Simeon Stylites8–13
Sigeric18–32- Peter Chrysologus19–20
Where the people alive in AD 400 were born
Birthplaces as a list
- Augustine of Hippo: Thagaste
- Hypatia: Alexandria
- Jerome: Dalmatia
- John Chrysostom: Antioch
- Pope Leo I: Tuscany
- Pope Sixtus III: Rome
- Pope Boniface I: Rome
- Pope Anastasius I: Rome
- Saint Patrick: Roman Britain
- Honorius: Istanbul
- Arcadius: Hispania
- Cyril of Alexandria: El Mahalla El Kubra
- Nestorius: Kahramanmaraş
- Gaiseric: Lake Balaton
- Flavius Aetius: Silistra
- Marcian: Thrace
- Claudian: Alexandria
- Petronius Maximus: Rome
- Avitus: Clermont-Ferrand
- Constantius III: Niš
- Stilicho: Constantinople
- Faxian: Xiangyuan County
- Orosius: Braga
- Kumārajīva: Kushan Empire
- Pelagius: Roman Britain
- Socrates of Constantinople: Constantinople
- Galla Placidia: Constantinople
- Tao Yuanming: Lushan City
- Prudentius: Calahorra
- Macrobius: Rome
- John Cassian: Dobruja
- Synesius: Cyrene
- Pulcheria: Constantinople
- Mary of Egypt: Alexandria
- Martianus Capella: M'Daourouch
- Simeon Stylites: Kozan
- Sigeric: Balkans
- Peter Chrysologus: Imola