Saint Augustine IQ

Augustine was born in 354 in Thagaste, in Roman North Africa, to a pagan father and a Christian mother, Monica. He studied rhetoric at Carthage, taught it in Rome and Milan and followed Manichaeism and then Neoplatonism. In 386 he converted to Christianity, an experience told in his Confessions. He became bishop of Hippo in 395 and wrote The City of God after the sack of Rome. He died in 430 as Vandals besieged the city.

No figure exists, and he lived over a thousand years before the Cox 1926 period. LifeScore lists about 155 as an editorial marker, range 140 to 170. It rests on his rhetorical career, his vast output of around five million words and the originality of his ideas on time, memory and the self.

In Book 11 of the Confessions he asks what time is and finds that the past no longer exists and the future does not yet exist. He concludes that time lives in the mind as memory, attention and expectation. Philosophers still discuss the argument.

After the Visigoths sacked Rome in 410, pagans blamed Christianity for the disaster. Augustine replied over 13 years and 22 books, contrasting the earthly city with the City of God and giving a Christian view of history.

Augustine turned argument inward. He used the tools of a professional rhetorician to examine memory, will and time in his own experience. That self-observation, then generalisation to all minds, is a distinctive and powerful style of reasoning.

What supports it

• He held the imperial chair of rhetoric in Milan.
• More of his writing survives than of almost any other ancient author.
• His arguments on time and the self are still discussed by philosophers.

What it cannot prove

• Ancient biographies were written by followers.
• Influence in philosophy depends on timing, institutions and readers as well as on the power of the reasoning.
• An editorial marker is a comparison aid built from achievement, not a measurement, and two careful readers could place it ten points apart.

Saint Augustine's IQ is represented here by a retrospective estimate of 155, not a verified test result. Saint Augustine is best known for exceptional verbal mastery. The useful question is what the surviving evidence shows, not whether a precise modern score can be recovered.

Restless, introspective and eloquent. A former sceptic who examined his own mind as no one had before.

The dominant archetype here is The Introspector. This archetype shapes decision patterns: what feels natural, what creates friction, and what blind spots tend to emerge.

Estimated IQ is 155. This is a rough estimate based on documented accomplishments and contemporary accounts, not a literal measurement.

As a teenager he stole pears he did not even want, and spent pages of the Confessions analysing why.

Saint Augustine's estimate of 155 falls in the genius level IQ range. Want your own number rather than Saint's? Take the free IQ test or the quick IQ test. See what an IQ of 155 means, place it on the IQ chart or check how rare it is with the IQ rarity calculator.