According to US Patent #1,301, the parentage is (Oakington Ruby X open pollination).

The initial ARS publication of 'Centennial Miss' is on page 39 in the 1952 publication of MR IV. Where it states a parentage of 'Oakington Ruby' X unknown variety. The first publication in the ARA, New Roses of the World occured in 1954, p 267 where it gives a parentage of 'Oakington Ruby' X unnamed seedling.