- Aug 4 François Hédelin, abbé d'Aubignac, French writer, born in Paris (d. 1676)
- Aug 5 John Eliot, English Puritan missionary "Apostle to Indians," and Bible translator, baptized in Widford, England (d. 1690)
- Aug 12 Tokugawa Iemitsu, Japanese shogun (d. 1651)