Keiko O'Brien

Universe :	Prime Timeline
Name :	Keiko O'Brien1
Species :	Humans

Keiko was a botanist aboard the Enterprise-D, where she met and fell in love with Miles O'Brien. The two were married by Captain Picard in 23672, and Keiko soon became pregnant. She gave birth to her daughter, Molly, in Ten Forward during a shipwide emergency, with Lieutenant Worf reluctantly acting as midwife. Later that year Keiko was briefly reduced to a child herself as a result of a transporter accident.3

When Miles was transferred to Deep Space Nine Keiko followed him. She found it difficult to fit in on the station, partly as a result of the grim living conditions4 but also because she had no chance to practice her own work.5 She visited Earth occasionally during this year, including one visit for her mother's 100th Birthday.6 Life on the station began to improve when she created a school to give herself a role in station life5, but this lead to controversy when she taught the children scientific theories regarding the Bajoran wormhole and the aliens who created it. Since the Bajorans regard these aliens as gods Keiko was accused of blasphemy by Vedek Winn, a Bajoran religious leader. Tensions on the station ran high, even leading to a terrorist bomb, but Keiko stubbornly defended her right to teach her students the facts.7 She continued to teach until the Dominion threat caused the number of students to drop sharply, forcing her to close the school down. Again she found herself without a role, but things again improved when she found work as chief botanist on a project on Bajor.8 She was away from the station for long periods, which again put strain on her marriage. Even so she became pregnant with her second child during this period.9 Keiko nearly lost the child when the runabout Volga suffered an accident in 2372. Doctor Bashir saved the foetus by using a transporter to beam it into Major Kira's womb. 10 Kira moved in with the O'Briens so as to allow them to feel more a part of the pregnancy. She and Miles began to develop romantic feelings for one another, but they were able to suppress these and remain close friends only.11

On a trip to the Bajoran fire caves Keiko was possessed by a pagh-wraith, which used her in an attempt to force Miles to destroy the wormhole and so kill the prophets. Fortunately Miles was able to thwart the attempt and kill the wraith instead, freeing Keiko without harm.12

Kira was able to successfully carry Keiko's child to term and Kirayoshi O'Brien was delivered in 2373.13 When the Dominion assault on Deep Space Nine loomed, Keiko took the children to Earth.14 She returned after the station was recaptured by the allies, but tragedy struck whilst the family was visiting Golana for a picnic. Molly fell through an ancient time portal and was transported three centuries into the past. Miles managed to retrieve his daughter a short time later, only to find that for her some ten years had passed. The now teenaged Molly found it almost impossible to fit in on the station, but fortunately the O'Briens were able to use the portal to correct the situation.15

After the end of the war Miles moved to Earth to teach at Starfleet academy, taking Keiko and his family with him.16

Colour key

Canon source

Backstage source

Novel source

DITL speculation

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References

#	Series	Season	Source	Comment
1	TNG	4	Night Terrors
2	TNG	4	Data's Day
3	TNG	5	Disaster
4	DS9	1	Emissary
5	DS9	1	A Man Alone
6	DS9	1	Dax
7	DS9	1	In the Hands of the Prophets
8	DS9	3	The House of Quark
9	DS9	4	Hard Time
10	DS9	4	Body Parts
11	DS9	5	Looking for par'Mach in All the Wrong Places
12	DS9	5	The Assignment
13	DS9	5	The Begotten
14	DS9	5	Call to Arms
15	DS9	6	Time's Orphan
16	DS9	7	What You Leave Behind, Part 2

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Last updated : 2 Apr 2014

Series	Season	Actor	Title
TNG	4	Rosalind Chao	Night Terrors
TNG	4	Rosalind Chao	In Theory
TNG	5	Rosalind Chao	Disaster
TNG	5	Rosalind Chao	Violations
TNG	5	Rosalind Chao	Power Play
TNG	6	Rosalind Chao	Rascals
TNG	6	Caroline Junko King	Rascals
DS9	1	Rosalind Chao	A Man Alone
DS9	1	Rosalind Chao	If Wishes Were Horses
DS9	1	Rosalind Chao	In the Hands of the Prophets
DS9	2	Rosalind Chao	The Siege
DS9	2	Rosalind Chao	Cardassians
DS9	2	Rosalind Chao	Rivals
DS9	2	Rosalind Chao	Armageddon Game
DS9	2	Rosalind Chao	Whispers
DS9	2	Rosalind Chao	Tribunal
DS9	3	Rosalind Chao	The House of Quark
DS9	3	Rosalind Chao	Fascination
DS9	4	Rosalind Chao	Accession
DS9	4	Rosalind Chao	Hard Time
DS9	4	Rosalind Chao	Body Parts
DS9	5	Rosalind Chao	Looking for par'Mach in All the Wrong Places
DS9	5	Rosalind Chao	The Assignment
DS9	5	Rosalind Chao	The Begotten
DS9	6	Rosalind Chao	Time's Orphan
DS9	7	Rosalind Chao	What You Leave Behind

Series :	TNG Season 4 (Disc 4)
Episode :	Night Terrors

Series :	TNG Season 4 (Disc 3)
Episode :	Data's Day

Series :	TNG Season 5 (Disc 1)
Episode :	Disaster

Series :	DS9 Season 1 (Disc 1)
Episode :	Emissary

Series :	DS9 Season 1 (Disc 5)
Episode :	In the Hands of the Prophets

Series :	DS9 Season 5 (Disc 1)
Episode :	Looking for par'Mach in All the Wrong Places

Series :	DS9 Season 7 (Disc 7)
Episode :	What You Leave Behind, Part 2