Leah O'Hare

Leah was a Communications officer onboard the USS Xerxes (NCC-505) in the late 23rd century. 

Early life before Starfleet
Leah was born on October 21, 2252 human calendar time on Earth in Cork, Ireland.

Chronology

 * 2252: Leah is born on Earth in Cork, Ireland.
 * 2268: John enters Starfleet Academy
 * 2272: John graduates Starfleet Academy and promoted to Ensign, the first assignment is the USS Xerxes as a communications officer.