O'Malley

From Memory Alpha, the free Star Trek reference

You may also be looking for Patricia F. O'Malley.

Corporal O'Malley was a member of the MACO force assigned to Enterprise during its Delphic Expanse mission.

When the ship was attacked by several Xindi-Reptilian ships in February 2154, he was among the many wounded, but could leave sickbay a few days later. (ENT: "Damage")