Statistics for occurrence #1 of “Isaac Barker” in chapter 2 of Historic leaves, volume 6, April, 1907 - January, 1908:

...ss Mary O. Giles, one of the first teachers of Somerville, and of Joseph J. Giles, the first boy born in Somerville after its incorporation, and a veteran of the Civil war. Miss Mary O. Giles married Isaac Barker , and moved to California. There were other children. In this Giles house lived for a time Dr. Stephen B. Sewall. On the southwest corner of Washington and Prospect streets was the ancient engin...
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Entity Corpus Doc Corpus Doc  
Isaac Barker 8 8 0 0 0 user votes

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