[2] In addition to her ex-husband, son, and fiancé, Harp was survived by her siblings: sisters Elizabeth Horn and Sarah Bozzola, and brother Thomas Speller Jr.[10][3][6] Harp's work consisted of materials including nylon, silk, rayon, jersey, and chiffon.
[3] Geraldine Stutz is credited with introducing Harp to a wider audience as the president of Henri Bendel.
[22] The boutique Holly's Harp closed in 1986, though she continued to work at her studio in Culver City until her death in 1995.
[12][23] After her diagnosis of breast cancer, Harp claimed her assistant Amy Michelson as the designer to continue her line.
[6] Her work was worn by celebrities such as Janis Joplin, Liza Minnelli, Diana Ross, Grace Slick, Barbra Streisand, and Jane Fonda.
[18] She was credited as the inspiration for clothes by fashion brands Gucci and Marc Jacobs by Cameron Silver in June 2002.
[31] Harp did a show at a luncheon for the Cedars Sinai Hospital,[32] and delivered meals to AIDs patients during protests.