The phrase "a final member" is correct and usable in written English.
It can be used when referring to the last person or element in a group or series.
Example: "After much deliberation, we have selected a final member to join our committee."
Alternatives: "the last member" or "a concluding member".
A final member agreed with the two who would dismiss, but for different reasons.
A final member of this branch, locally called the Mexicanero, includes speakers of Nahuatl, remnants of central Mexican Indians introduced into the area by the Spaniards.
Needing a final member his four man team, Sting announced that he had a partner who was going to 'shock the world!' He didn't know how true his words would ring.
Jack J. Holuba '13, a final club member and a member of Harvard Men Against Rape, acknowledges the potential dangers and the resulting necessity for intervention of male-dominated party spaces.
While the development and introduction of moment distribution represents a great advancement in the history of structural engineering, the distribution process can be tedious, especially if only a few final member-end-moments of a multi-redundant structure are desired.
Hjartarson's quest to procure those human specimens was the subject of a 2012 documentary The Final Member.
The museum is the subject of The Final Member, a film by Canadian documentarians Zach Math and Jonah Bekhor.
It was also the fifth and final member of a tornado family.
An /r/ can be optionally retained as the final member of a conjunct, and it is also sometimes substituted for the final (non-/-r/) member of a conjunct.
He was the final member of a bullpen that pitched five scoreless innings in relief of Pedro Martinez, who threw an inefficient 84 pitches over four innings.
The Final Member is a wild ride from start to finish, and is the reason why, when my parents invited me to accompany them on a summer trip to Iceland, I decided I needed to subject them to a casual afternoon tour of Icelandic animal penises.
