7: Dagmar Jarroldsdottir -New Name (NP)

Submitter desires a feminine name.
Sound (The name 'Jarrold' is the most important, spelling change okay if sound is similar) most important.

Dagmar: The first element Dag- is identical to Old Icelandic dagr, "day".

The second element -mær may possibly be related to Old Icelandic mær, "maiden, girl", or to Old Icelandic mærr, "famous". The name Dagmær appears in the 14th century legendary saga Hálfdanar saga Eysteinssonar as the wife of King Þrándr. source: FJ pp. 350; CV pp. 94-95, 443 s.v. dagr, mær, mærr

(citing the Viking Answer Lady, http://www.vikinganswerlady.com/ONWomensNames.shtml)

Jarrold: a form of Gerald, which is ultimately from Old High German Gerwald. https://www.etymonline.com/word/gerald

Checking E.H. Lind Dopnamn col. 311, we have the old Norse cognate Geiraldr c. 1100, which would make a patronymic of Geiraldsdottir.