"New Hampshire Birth Records, early to 1900." Index. FamilySearch, Salt Lake City, Utah, 2009. New Hampshire Registrar of Vital Statistics. "Index to births, early to 1900." New Hampshire Registrar of Vital Statistics, Concord, New Hampshire.
You might want to check out Book of the Lockes: A Genealogical and Historical Record of the Descendants of William Locke, of Woburn ...by John Goodwin Locke. See page: Appendix p. 330. It gives her parents as Edward Locke and Hannah Blake. Correct dates, correct husband etc. Book doesn't appear to note sources, so you would have to confirm the data.