Twenty One Diamonds: Twenty-one (21) Barangays of Quirino.
1967: Foundation year of the town.
Shield: From the Provincial Seal of Quirino where the town is located.
"Gawa, Dangal, Pag-ibig": Official Motto; "Labor, Honor, Love"
Forked Blue: Siffu and Mallig rivers that surround the municipality.
Green Field: Wide pastureland and ranches.
Gold Field: Abundant rice and corn fields.
Red Field: Courage of the hardy Ilocano settlers who conquered the area from fierce natives, thick forest and cogonland, malaria and crocodiles.