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This page details a counterpart of George Samuel Kirk, Sr. in the Kelvin timeline; for the George Samuel Kirk, Sr. in the primary universe see George Samuel Kirk, Sr..
"You know your father was captain of a starship for twelve minutes. He saved 800 lives, including your mother's and yours. I dare you to do better."
Christopher Pike to Jim Kirk, 2255 [src]

George Samuel Kirk, Sr. was a noted Human Starfleet officer in the 23rd century, serial number SA-733-9624-AM. (TOS website: Starfleet Shipyard)


George was born in 2202, in Riverside, Iowa on Earth's North American continent, the youngest son of Tiberius Kirk. He also had one elder brother, James Kirk. (TOS movie: Star Trek, TOS novels: The Motion Picture, Best Destiny, Past Prologue, Time for Yesterday, Enterprise: The First Adventure, Final Frontier, TOS website: Starfleet Shipyard)

His paternal grandfather was Samuel Abraham Kirk, who served as the ship's historian aboard the USS Pioneer, one of the first Federation Starfleet vessels, in the 2160s. (ENT - Rise of the Federation novel: A Choice of Futures)

George Kirk did not believe in the "no-win scenario", something in which his youngest son would develop a belief. (ST website:

Kirk eventually enlisted in Starfleet, truly believing in the organization's humanitarian and peaceful goals. (TOS movie: Star Trek Beyond)

In the mid-2220s, Kirk was a midshipman on the working trader ship Alexandria. Several years later, he met a young woman named Winona. They were married in 2229. (TOS novels: The Great Starship Race, Final Frontier)

Married life was an adventure for the young couple, but once Winona became pregnant they looked for a place to raise their family. They bought a farm in the small town of Riverside, Iowa, though most of the farming would be done under lease by their Amish neighbors. Most household duties fell to Winona, as George still served in Starfleet as a security officer and was away from Earth for long periods. (TOS novels: Final Frontier, Best Destiny)

Despite this the Kirks still managed to start a family. George Samuel Kirk, Jr., their elder son, was born on 12 August 2230. (ENT novel: Last Full Measure; TOS novel: Enterprise: The First Adventure) Later that same year, the USS Kelvin made first contact with the Roylan people, with Kirk as part of the delegation, his first time as part of a first contact. When the shuttle experienced mechanical issues, the away team was approached by Keenser who had pinpointed the problem. As such, Keenser was invited with them back to the Kelvin. On the ride up he experienced space sickness, which George was nothing compared to the training he'd have to go through. (TOS comic: "IDW Star Trek, Issue 14")

By 2233, George was a lieutenant commander in Starfleet, and had become first officer aboard the Kelvin. He was killed that year, just seconds after the birth of his second son, James T. Kirk, when he made a suicide run against the Narada with the otherwise abandoned Kelvin. At the moment of impact, he managed to activate his ship's warp drive, atomizing his craft, though the resulting warp field managed to crippled the Narada and allowing the shuttles time to evacuate. (TOS movie: Star Trek & TOS - Nero comic: "Number One")

In light of his sacrifice, George Kirk came to be honored and revered as a great hero, with both Christopher Pike and Garth of Izar being inspired by him, the latter even considering his own heroics to be superfluous in light of George's. (TOS movie: Star Trek & TOS - Boldly Go comic: "Issue 11")

Circa 2258, George Kirk, Jr. kept a hologram of his parents in his home on Deneva. (TOS comic: "Operation: Annihilate!, Part 2")

The following year, James Kirk remembered his father's voice and sacrifice while being resurrected with Khan Noonien Singh's blood. (TOS movie: Star Trek Into Darkness)

Four years later, James would reflect that his upcoming birthday meant he would be older than his father had been upon his death. McCoy believed this was an indicator that James had thought so highly of his father that he'd unconsciously emulated him to the point of being unsure of his own identity. (TOS movie: Star Trek Beyond)

Alternate timelines

In a permutation of the mirror universe, George sacrificed himself to protect the crew of the ISS Kelvin from the Narada. He was avenged by his younger son snapping Nero's neck. (TOS - Mirrored comic: "Part 1")

In a timeline populated by members of the opposite sex, "George" sacrificed herself to ensure the safety of the Kelvin shuttles, the act inspiring her daughter, Jane Tiberia Kirk, to follow her example. Jane kept a holo-image of her mother on her desk for inspiration. (TOS - Parallel Lives comic: "Part 1")

In another timeline, George never served on the USS Kelvin and survived long enough to take command of the USS Enterprise. As the ship was engaged in battle, Gary Mitchell allowed James Kirk a glimpse into that reality. (TOS - IDIC comic: "Part 5")

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