Semi-colons allows multi-crew search
(i.e. "data;spock")
Tiers and comments come from /u/Automaton_2000's and /u/idoliside's work, with their permission.

Crew List

Tier 1

Indulgent Seven
2
Locutus of Borg
3

Tier 2

Ishan Chaye Sisko
Laborer Kirk
1
Medic Jett Reno
2
Mycelial Culber
1
New Eden Owosekun
1
Niners Ezri
1
Picard and Number One
1
The Caretaker
1
1701 Bashir
2
Dr. Agnes Jurati
2
Fugitive Burnham
Kaminar Saru
2
Mirror Burnham
Runaway Po
2

Tier 3

Age Of Sail Worf
1
Bridge Officer Number One
Control Leland
Determined Paris
1
Fury Kes
Leucon
1
Pining Vina
Seeking Spock
1
Sinister Picard
Soji Asha
Torpedo Surgeon McCoy
1
Twilight T'Pol
1
Age of Sail Troi
1
Android Kirk
Dejaren
Fenris Ranger Seven
1
Indignant Seven
1
Tee Time Doctor
1

Tier 4

Annika Hansen Seven
Armus
1
Bartender Guinan
1
Captain Beverly Picard
1
Claymore Scotty
1
Dark Empath Troi
Dereth
1
EV Suit Nhan
Executive Director Hugh
1
Garth of Izar
1
Kahless the Unforgettable
1
Little John Riker
1
Lt. Commander Icheb
2
North Star T'Pol
2
Rescue Team Uhura
Scrooge Data
Vahar'ai Saru
Captain Lucero
Dress Uniform Bashir
2
Jannar
2
Relaxed Number One
Scared Scotty
1
The Clown

Tier 5

Admiral Maxwell Forrest
1
Admiral Patrick
1
Archer and Porthos
1
Bartender Tuvok
1
Dr. 'Bones' McCoy
1
Kay Eaton Kira
Lucille Davenport
Riker Odan
Safecracker Nog
1
Talas
Christine Chapel
2
EV Suit Chekov
Priestess Siranna

Tier 6

Chancellor Martok
2
Commodore Oh
2
Desert Archer
Flotter
Kamala
Narek
1
Trevis
Delta Flyer Kim
Raffi Musiker
Siranna
Torchbearer Tyler

Tier 7

Protomorphosis Riker
Cristóbal Rios
Ensign Picard
Grebnedlog
Mission Specialist Lefler
1
Tau

Tier 8

Belle Q
Bridal Keiko
Compromised Airiam
1
Displaced Gabrielle Burnham
1
Elnor
1
Mirror Ellen Landry
Mirror Keyla Detmer
Arjin
Colonel Worf
1
Dr. Leonard McCoy
1
Logician Solok
2
Riva
1
Sulu of the Body
1
The Duras Sisters
Tuvix
1

Tier 9

Admiral Kirsten Clancy
Cadet First Class Locarno
Arandis
1
Doctor Paul Stubbs
1
Dress Uniform Beverly Crusher
1
Lucien
Thot Gor
1

Tier 10

Lenara Kahn
Maras
One Zero Zero One
Commander Shelby
Fierce Guinan
Lt. Ilia
Rigel VII Vina
1
Saowin
Seamus
Transporter Chief Rand
Vagrant Braxton