Statistics for occurrence #1 of “Commonwealth of Massachusetts” in chapter 14, section c.14.2, page 15 of Medford Historical Society Papers, Volume 28.:

...len, wife of Robert Wales Emmons of Boston, A. B. (Harvard, 1895), and Rachel, wife of James Jackson of Westwood, Mass., A. B. (Harvard, 1904), who is at present Treasurer and Receiver-General of the Commonwealth of Massachusetts . Funeral services for Mr. Brooks were held in King's Chapel, Boston, and his body was placed in the family tomb in Oak Grove Cemetery, Medford.
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