Daakman Barrek, Jedi Master

Durring the height of the Clone Wars, Master Barrek along with his Padawan, Sha'a Gi lead the campaign at Hypori. There a new General for the Droid army made his presence known, General Grievous. Barrek along with other Jedi were taken by surprise and was killed by the droid general. His lightsaber became one of many trophies by Grievous.
Saber Source: Clone Wars Volume I

The Dark Jedi Twins: Pic & Gorc, Dark Force Users

Known as the Dark Jedi Twins, Pic & Groc help carry out the wishes of Jeric. The smaller of the two has the ability to vibrate himself to invisibility, making him just as dangerous as his brother. Being much larger than a human, the second twin uses brute force to dominate his enemies. The lightsabers are identical in design but obviously different in size proportionate to the owners who wield them. Both however were defeated by the newly realized Jedi, Kyle Kataran. The lightsabers were presumed lost in the vast shafts on Nar Sharada.
Saber Source: **Dark Forces II
Credit: Original design by JC Arkham (completed based on partial original material)

Darsha Assant, Padawan

Gave her life in order to give Lorn Pavan and I-5 time to escape the clutches of Darth Maul. She fought gallantly but knowing she was outmatched, she hurled her lightsaber at several fuel tanks within the storage facility they fought in. Maul escaped the explosion but Darsha did not. Her lightsaber was destroyed in the blast.
Saber Source: **Darth Maul: Shadow Hunter

Darth Bandon, Dark Force User

Such ambitions never had time to develop into plots. Bandon was killed by agents of the Republic searching for the location of Darth Malak's secret source of power, the Star Forge .
Saber Source: Knights of the Old Republic (video game)

Darth Bane, Sith

This bruting Dark Force user was destroyed by a youngling who eventually obsorbed the Dark Side. The lightsaber was destroyed along with it's user.
Saber Source: Jedi VS Sith

Darth Malak, Sith Lord

The fate of this Sith is uncertain or the where abouts of his lightsaber. This Dark Sith Lord exisite four millenia before Palpatine.
Saber Source: Knights of the Old Republic

Credit: Real world original prop design and built by JC Arkham

Darth Maul ( 1 ), Sith Apprentice, Inspiration: Exar Kun

The original Sith apprentice saber, Maul found this lightsaber's length to be impractical and rebuilt it as a longer, more formidable weapon.
Saber Source: Originally pictured on StarWars.com

Darth Maul ( 2 ), Sith Lord, Rework of First Lightsaber

Destroyed by Obi-Wan Kenobi in the generator shafts of the Theed palace on Naboo. To be more accurate, one half fell to it's demise along with the severed halves of it's owner down the shafts of the Theed generator. The other half was still activated and carved it's way deep into the generator walls, making it impossible to retrieve. Keeping the mystery of the Sith's return, a mystery.
Special Features of this Lightsaber: Double-ened lightsaber. one side or both can be activated.
Saber Source: Episode I: The Phantom Menace

Darth Maul, Sith

Darth Maul ( 3 ), Sith

Maul survived the battle of Naboo and was restored with a mechanical torso and legs. He was found by his brother Savage Opress. He still has half of his lightsaber. Soon afterwards Maul entered a bargain with Pre-Vizsla to take over Mandalore. Vizsla betrayed Maul and was challenged to combat. Vizsla lost the battle along with his head. Maul claimed the Darksaber as his own. Unfortunately his former master Darth Sidious discovered he survived the Battle of Naboo. Sidious went to Mandalore to kill Maul's brother Savage Opress. He destroyed the remaining half of his lightsaber along with the Darksaber.
Saber Source: The Clone Wars (Animated TV Series)

Darth Maul ( 4 ), Darth Force User

Maul disapeared for decades. He was found Malacore, a Sith world. He had been there for many years seeking the secrets of the Sith Temple. After a battle and an attempt to take Ezra Bridger as an apprentice, he escaped Malacore in an Inquisitors ship. This lightsaber is a used one from an inquisitor.
Saber Source: Rebels "Twilight of the Apprentice" (Animated TV Series)

Darth Plagueis, Sith Lord

One of the most powerful Sith Lords of their order. It is more likely he is responsible for the conception of Anakin Skywalker by manipulating the Midiclorians present in Shmi Skywalker's body. Making the conception a mystery to her. Plagueis, as powerful a Sith he had become was unable to forsee his own demise by his apprentice, Dath Sidious.
Saber Source: Episode III Revenge of the Sith

Darth Sidious, Sith Lord ( 1 & 2 ) a.k.a. Supreme Chanselor/Emperor Sheev Palpatine

SIdious, looses his first lightsaber in combat with Mace Windu in the Chanselor's office, falling into the depths of Coruscant. He is not without a lightsaber for long as he carries an identical backup.
Special Features of this Lightsaber: Pherik alloy construction, no belt attachment, concealed in sleeve.
Saber Source: Episode III Revenge of the Sith

Sheev Palpatine (Cloned)

Destroyed by Luke Skywalker.
Saber Source: **Dark Empire (EU - Graphic Novel)
Credit: Real world original design and built by JC Arkham (completed based on partial original material)

Darth Tyranus, Sith Lord a.k.a. Count Jard Dooku

Darth Tyranus is the Sith Lord name of Count Dooku, a tool of Darth Sidious. This Jedi now turned Sith is one of the "Lost Twenty". Those who have renounced their commission as a Jedi. Tyranus was cut down, defeated by Anakin Skywalker durring the Clone Wars abord General Grevious' flagship. The lightsaber was left behind and destroyed along with the rest of the Trade Federation ship.
Special Features of this Lightsaber: Constructed as older curved archaic style.
Saber Source: Episode II:Attack of the Clones - Episode III: Revenge of the Sith

Darth Vader ( 3 ), Sith Apprentice Also See Anakin Skywalker

Anakin builds this lightsaber after the battle on Geonosis. Anakin turns to the Dark Side, dubed Darth Vader by his new master Darth Sidious, killing an untold number of Jedi. He faces Obi Wan Kenobi on Mustafar and looses in fierce combat. Obi Wan takes the saber from his former Padawan and gives it to Anakin's son on Tatooine years later to teach him the ways of the Force and fulfill his destiny.
Saber Source: Episode III: Revenge of the Sith

Darth Vader ( 4 ), Sith Apprentice

Anakin succumbs to the dark side of the force. He is defeated in battle by Obi-Wan Kenobi on Mustafar and greviously mamed. He is fitted with life-supporting cybernetics and physically transformed. To that end, Vader constructs his new Sith Apprentice lightsaber.

Saber Source: Episode III: Revenge of the Sith

Darth Vader ( 5 ), Sith Lord

This was destroyed along with his mecano-hand after an encounter with Luke Skywalker & Leia Organa. Eventually, Vader returned the favor to Luke.
Saber Source: Splinter of the Minds Eye & Saber Source: Episde IV: A New Hope

Darth Vader ( 6 ), Sith Lord

The circumstances on why or how Vader lost this lightsaber are unknown at this time.
Episode V: The Empire Strikes Back

Darth Vader / Anakin Skywalker ( 7 ), Sith Lord Turned To Light

His lightsaber is destroyed in the power generator shafts of the Death Star II after being disarmed by Luke Skywalker along with his hand...again. Soon after, Vader destroys the Emperor but not before being mortally wounded himself. Anakin is redemed and once again a Jedi of light before he dies next to his son, Luke.
Saber Source: Return of the Jedi

Depa Billaba ( 1 ), Jedi Master

Depa was one of the original thirteen Jedi council members at the height of the Republic before the Clone Wars.
Saber Source: Episode I: The Phantom Menace
Credit: Real world original prop design and built by JC Arkham

Depa Billaba ( 2 ), Jedi Master

Depa turned to the Dark Side, fell into a coma and died. The fate of her lightsaber is unknown at this tme.
Saber Source: Shatterpoint
Credit: Real world original prop design and built by JC Arkham