Jessica Chisum was Princess Daisy's first voice actress. She is a voice actress as well as a voice and acting coach in San Francisco. She started voice acting in 1998. Chisum has only voiced Daisy in Mario Tennis for the Nintendo 64. She also provided the voices for Plum in Mario Golf on the Nintendo 64 as well as Birdo and Nina in Mario Tennis. Her website states that she also voiced Peach for Mario Golf, but it was Jen Taylor who voiced Peach. Jen Taylor however did replace Jessica Chisum as the voice of Daisy in Mario Party 3.
In the credits for Mario Tennis, she is credited as Jessica Chism.
Jessica Chisum's IMDB bio: http://www.imdb.com/title/tt0276320/?ref_=nm_knf_i1