Historical clue formulations

• O'Connor with the 1990 hit "Nothing Compares 2 U" — 2023-04-10
• Irish form of "Jane" — 2022-07-30
• Singer O'Connor — 2020-07-08
• "Hoffman" co-star Cusack — 2009-07-17
• Musical O'Connor — 2009-06-12
• Actress Cusack, who married Jeremy Irons — 2006-09-01