Brian O'Leary was a male human in Starfleet in the 24th century.

As of 2376, he held the rank of Lieutenant, junior grade, and was assigned to the USS da Vinci as an engineer. He was killed that year when the da Vinci was incapacitated in the atmosphere of gas-giant Galvan VI. (SCE eBook: Wildfire, Book 1)

USS da Vinci personnel
	111 • C. Abramowitz • A. Angelopoulos • K. Bain • J. Barnak • M. Barre • C. Bennett • K. Caitano • A. Chhung • N. Conlon • J. Copper • D. Corsi • E. Deo • T. Deverick • S. Drew • K. Duffy • C. Eddy • Emmett • D. Falcão • B. Faulwell • D. Feliciano • M. Foley • E. Friesner • Frnats • D. Gold • S. Gomez • M. Hammett • V. Hawkins • S. Haznedl • Ina M. • L. Irastorza • S. Kazzarus • P. Keegan • T. Kim • R. Konya • K. Kowal • E. Krotine • A. Lambdin • D. Lankford • R. Lankford • Lauoc S. • E. Lense • A. Lipinski • Loten Y. • D. McAllan • M. McAvennie • M. Nemeckova • B. O'Leary • C. Okha • Orthak • P8 Blue • B. Phelps • J. Piotrowski • F. Powers • L. Poynter • Rizz • M. Robins • R. Rusconi • Saldok • Salek • Sarjenka • A. Shabalala • S. Simon • J. Skernak • Soloman • F. Stevens • T. tai'Mio • M.g. Tev • T'Mandra • T'Nel • C. Turpin • Tydoan • M. Vinx • N. Weiland • S. Wetzel • Winn M. • S. Wong