DELIA

Set to 4 different clues across 7 published puzzles, most often “Novelist Ephron” — The New York Times, Tuesday, 22 June 2004.

5 letters

Every clue on record, most used first

Novelist Ephron3 times
The New York Times — Tuesday, 22 June 2004
Shepherdess in Virgil's "Eclogues"2 times
The New York Times — Monday, 6 June 2005
Ionian festival honoring Apolloonce
The New York Times — Saturday, 9 March 2002
Daniel's "Sonnets to ___"once
The New York Times — Tuesday, 19 October 1999