How to pronounce “jarrow” in English

But his men took-- the monks of Jarrow took the book on to Rome, where it was received by Pope Gregory II,

We've got an account written at the time of the abbot leaving Wearmouth-Jarrow with this book

Even more amazing, it was one of three books of this type that was made at Wearmouth-Jarrow.

was, in fact, a book made in Northumbria in the early eighth century at the monastery of Wearmouth-Jarrow when the Venerable Bede was alive.