The Sons and Daughters of Erin will participate in the 500th anniversary of Christopher Columbus' arrival in America.
Kerry Queen and Ann Mullan are the winners of an essay contest sponsored by the Sons and Daughters.
They will be crowned Queen Kerry and Princess Ann and will ride on the float in the parade Saturday along with Irish step dancers from the Sheila Butler School of Irish Dancing and chairpersons Vic and Leona Stich.
The Gulf Coast Pipe Band will lead the float.
At 7 p.m. Thursday, the Sheila Butler Irish Step Dancers will perform at Gulf View Square Mall in Port Richey as part of the Quincentennial observance.