Oswald derived from the Old English elements os "god" and weald "power, ruler". Saint Oswald was a king of Northumbria who introduced Christianity to northeast England in the 7th century before being killed in battle. There was also an Old Norse cognate Ásvaldr in use in England, being borne by the 10th-century Saint Oswald of Worcester, who was of Danish ancestry.
Saintly namesake: Oswald of Northumbria was a 7th-century king remembered for his piety and leadership. He is venerated as a saint in both Catholic and Orthodox traditions. (August 5 · 7th century)
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