Multiple realities(covers information from several alternate timelines)
Wendy Drapanas was a Starfleet officer in the 24th century.
In the 2370s, she was named as a Science Ops officer on the dedication plaques of Starfleet starships. (VOY: "Caretaker", dedication plaque; VOY: "Message in a Bottle", dedication plaque)
In an unknown, alternate future timeframe, she was named as a Fleet Ops officer on the dedication plaque of the USS Pasteur. (TNG: "All Good Things..." dedication plaque)
This character was only mentioned in writing.