The person on the most right is Albertine Catudal (1931-1991) and third from the right is my mother, Louise Catudal (1933-). The others are unknown.
The lady is my mother, Louise Catudal (1933-).
The man is unknown.The man is Joseph Henri Roger Catudal (1927-). This was confirmed by Anne Marie St-Jean who is Roger's second cousin.
The young lady on the right is Lucie-Anne Catudal (1904-1974), I don't know who the other two are.
I'll post more once I get a chance to scan them...