Based on the stats for Americans (presumably of all ages and both genders combined) on mynamestats.com, I have listed the most common first name and most common last name for each letter of the alphabet. Pair each first name with a last name, and use each name once and only once.
First names:
[name_f]Amy[/name_f], [name_f]Barbara[/name_f], [name_m]Charles[/name_m], [name_m]David[/name_m], [name_f]Elizabeth[/name_f], [name_m]Frank[/name_m], [name_m]George[/name_m], [name_f]Helen[/name_f], [name_f]Irene[/name_f], [name_m]John[/name_m], [name_f]Karen[/name_f], [name_f]Linda[/name_f], [name_u]Michael[/name_u], [name_f]Nancy[/name_f], [name_m]Oscar[/name_m], [name_f]Patricia[/name_f], [name_m]Quentin[/name_m], [name_m]Robert[/name_m], [name_f]Susan[/name_f], [name_m]Thomas[/name_m], [name_f]Ursula[/name_f], [name_f]Virginia[/name_f], [name_m]William[/name_m], [name_m]Xavier[/name_m], [name_f]Yvonne[/name_f], [name_m]Zachary[/name_m]
Last names:
[name_m]Anderson[/name_m], [name_m]Brown[/name_m], [name_m]Clark[/name_m], [name_m]Davis[/name_m], [name_m]Evans[/name_m], [name_m]Flores[/name_m], [name_u]Garcia[/name_u], [name_m]Hall[/name_m], [name_m]Ingram[/name_m], [name_m]Johnson[/name_m], [name_m]King[/name_m], [name_u]Lee[/name_u], [name_m]Miller[/name_m], [name_m]Nelson[/name_m], [name_m]Olson[/name_m], [name_m]Perez[/name_m], [name_u]Quinn[/name_u], [name_m]Rodriguez[/name_m], [name_m]Smith[/name_m], [name_u]Taylor[/name_u], Underwood, Vasquez, [name_m]Williams[/name_m], Xu, [name_m]Young[/name_m], Zimmerman