Yellow Blaze! I bet you dollars to donuts (yumm.. donuts) it's Yellow Blaze.
Commercially available
ARS:
Light yellow Alba.
Origin:
Bred by Rolf Sievers (Germany, 1976).
Class:
Alba.
Bloom:
Light yellow. Strong fragrance. Large, full (26-40 petals), quartered bloom form. Once-blooming spring or summer.
Habit:
Height of 5' 11" to 6' 11" (180 to 210 cm).
Growing:
USDA zone 4b through 9b. Hardy.
Parentage:
Small Maiden's Blush × Golden Giant
Notes:
Bred 1976, registered 1988.
Plus the images, especially this one:
http://www.helpmefind.com/rose... looks like your rose.
Yes? No?