She is attached to the correct parents. However, her marriage to John Mansur, II is in question. According to Andover VR, the marriage of Hannah Lovejoy & "John Manser [of Methuen. int.], Dec. 21, 1732." She would have been 14-1/2 at the time.
Also, Andover VR has a Hannah Lovejoy and "Hezekiah Stiles, Dec. 27, 1752." This is far more likely for her. It is also supported by https://mhl.org/sites/default/files/files/Abbott/Lovejoy%20Family.pdf (page 13 at the bottom). Note - the genealogy has a typographical error for her birth date.
https://www.wikitree.com/wiki/Lovejoy-748 in the Research Notes also questions which Hannah Lovejoy married Mr. Mansur. A Partial History of the Mansur Family... pages 15-16 discuss which Hannah Lovejoy he married with NO conclusion. (link - https://archive.org/details/apartialrecordm00mansgoog/page/n23/mode...) Other research points to the Hannah who married John Mansur may be Hannah born in 1709 daughter of Ebenezer and Mary (Foster) Lovejoy.
https://mhl.org/sites/default/files/files/Abbott/Lovejoy%20Family.pdf (page 10 at the bottom), Hannah, daughter of Deacon Ebenezer Lovejoy, I married John Mansur, II. This Hannah was born in December 1709. This makes much more sense.
