Create the table in D1:E17.

Data Range
A
B
C
D
E
1
Name
Final Name
------
Name
Final Name
2
Tye Westmark
Tye Westmark
Tye Westmark
Tye Westmark
3
Cristie Gimble
Tye Westmark
Cristie Gimble
Tye Westmark
4
Tony Sepanski
Tony Sepanski
Tony Sepanski
Tony Sepanski
5
Starla Buccholz
Tony Sepanski
Starla Buccholz
Tony Sepanski
6
Keri Oldman
Keri Oldman
Keri Oldman
Keri Oldman
7
Reimer Douglas
Keri Oldman
Reimer Douglas
Keri Oldman
8
Debra Liming
Debra Liming
Debra Liming
Debra Liming
9
Marka Kontos
Debra Liming
Marka Kontos
Debra Liming
10
Carol Peterson
Carol Peterson
Carol Peterson
Carol Peterson
11
Karen Ottison
Carol Peterson
Karen Ottison
Carol Peterson
12
Joleen Sums
Joleen Sums
Joleen Sums
Joleen Sums
13
Joseph Ahlf
Joleen Sums
Joseph Ahlf
Joleen Sums
14
Brian Mays
Freddy Mercury
Freddy Mercury
Freddy Mercury
15
Freddy Mercury
Freddy Mercury
Brian Mays
Freddy Mercury
16
Robert Smith
Robert Smith
Robert Smith
Robert Smith
17
Steve Severin
Robert Smith
Steve Severin
Robert Smith


Then, this formula entered in B2 and copied down:

=VLOOKUP(A2,D$2:E$17,2,0)