vital records sources
go to Ichabod Holbrook's page

Hannah and Ichabod "owned the covenant" at the First Church in Braintree on 22 February 1746/47 and had their daughter Hannah baptized the same day. They became members in full communion on 30 Apr 1758.1

children of Hannah Hayden and Ichabod Holbrook:2

Hannah, b. 19 October 1746
Ichabod, b. 26 May 1748
Ebenezer, b. 25 March 1749/50
Hannah b. 5 December 1751
Thomas b. 7 October 1754
Nathaniel b. 7 October 1758

vital records sources: Her birth and death are in Records of the Town of Braintree, 1640-1793, ed. Samuel A. Bates (Randolph, MA: 1886), 760, 865. She was baptized as "Anna," 12 November, Rev. Niles's journal (see next), 260. Her marriage is in Rev. Samuel Niles's journal, 35, images at https://www.congregationallibrary.org/nehh/series1/BraintreeMAFirst5302. I've used a dual year to clarify the overlap of the Julian and Gregorian calendars.

1. Rev. Samuel Niles's journal of First Church, Braintree, records, 238, 270, images at images at https://www.congregationallibrary.org/nehh/series1/BraintreeMAFirst5302.
2. Records of the Town of Braintree, 1640 to 1793, hereafter RTB, ed. Samuel Austin Bates (Randolph:1886), 792, 794, 797.