Maura has the same facial structure as Carla McCullough. According to her SimDNA in SimPE, her hair was blonde before it turned grey. Like all cafeteria chefs and unlike other NPCs and townies, Maura is overweight.
Her name is randomized when La Fiesta Tech is generated. The name "Maura Gibson" is only referenced in the game files. Maura has a Lifetime want that was removed prior to release.