botanist, formerly assigned to the Enterprise-D. Later stationed
at Deep Space 9. Born Keiko
she married fellow crew member Miles O"Brien in 2367. Their wedding,
held aboard the
in the Ten-forward lounge, was a mixture of Japanese and Irish traditions.
Keiko gave birth
a girl, Molly O'Brien, a year
later. Molly was born in Ten-forward during a ship-wide systems failure.
briefly reduced to a child after passing through an energy field in 2369.
accepted a transfer to station Deep Space 9 in 2369 when her husband was
assigned there as chief
operations. Keiko was appaled at the living accommodations on the station,
but remained there for the
of her husband's career.
Keiko and her husband visited Earth that same year for her mother's 100th
As a child, Keiko helped
her grandmother with her Japanese brush painting. It had been the young
special task to fill
the old chipped cup that her grandmother, whom she called Obachan,
Keiko found adapting to life on the station difficult. She was dissatisfied
by the lack of pro-
opportunities on the
station for a botanist, and was concerned about the lack of educational
Keiko was able to address this last issue when Commander Sisko granted
her permission to
a schoolroom on the station. Keiko operated the school until early 2371,
when enrollment dropped
because of fearsof a possible Dominion attack.
thereafter ahe accepted an assignment as chief botanist on a agrobiology
expedition to Bajor. The
kept Keiko and her daughter, Molly away from the station for much of that
year. In 2372, Keiko
pregnant with her second child. Later that year she completed her assignment
on Bajor, and she
her daughter returned
to live on the station.
second pregnancy nearly ended disastrously when she
was seriously injured
in an accident aboard
runabout Volga during a botanical survey mission to Torad IV.
Dr. Bashir saved
her life, but it was ne-
to remove her unborn child and implant it into the body of Kira Nerys.
Keiko and Miles subsequently
Kira to live with them in their quarters so that they could help her
care for her while she
to term. While Kira carried her child, Keiko was captured by an alien
entity known as a Pah-wraight
briefly gained control of her mind and body. The Pah-wraight had intended
to use Keiko in an elaborate
to kill the Bajoran prophets. Fortunately, the plan failed, and
Keiko was released from the entity.
2373, kira delivered Kirayoshi
O'Brien in a traditional Bajoran birthing ceremony