She is honest and devoted, but many find her irritating due to her lack of impulse-control and her nonstop talking. She is prone to blurting out whatever she's thinking, which conflicts with Dr. Brennan's personality.
Dr. Brennan finds Daisy to be irritating and has fired her twice. However, Brennan is still Daisy's biggest idol. In The Skull in the Sculpture, Daisy shatters a skull even after Dr. Brennan insists on caution, which puts a strain on their relationship. Surprisingly, they were seen bonding in A Night at the Bones Museum over the identification of the mummy Anukh. In the season 5 finale, Daisy joins Dr. Brennan on a year-long anthropological dig. The two also cooperate well in the season 6 premiere as they navigate the Maluku Islands.
Daisy and Sweets have had a romantic relationship from the season 4 episode The Skull in the Sculpture, which was revealed after Sweets volunteered to fire Daisy. He points out that they don't have to hide their relationship anymore, and the two kiss on the forensic platform. Sweets proposes in The Bones on the Blue Line after having been cold and distant from Daisy, making her fear that their relationship would end. Daisy accepts his proposal, but when she decides to go to the Maluku Islands with Dr. Brennan, Sweets tells her that won't wait for her, and he rejects her request to become engaged upon her return in the season 6 premiere, though the two make up at the end of the episode.In the season 8 episode The Tiger in the Tale they broke up.
- In The Bones on the Blue Line, Daisy tells Hodgins that she can speed read, which she's been doing while reading Dr. Brennan's new book, Bones of Contention.
- In The End in the Beginning, Daisy was re-imagined as the coat-check girl at Booth and Brennan's nightclub.
- Daisy comes from a 'dysfunctional family' and has no sisters.