In 1950 Pellissard retained her European title in the 10-metre platform and also won the silver medal in the 3-metre springboard. At the 1952 and 1956 Summer Olympics, Pellissard finished 4th in each of the 3-metre springboard finals and 7th in both of the 10-metre platform finals. At the 1960 Summer Olympics, she finished in 7th in the 10-metre platform, and in the 3-metre springboard she finished in 9th place and this was the first time she did not qualify for an Olympic final.