These are the Florence V's born in MA in 1907: Burns Florence VincentWakefield 1907 Freeman Florence V. Worcester 1907 Gagnon Florence Valeda Salem 1907 Lofstrom Florence Viola Gardner 1907 Martin Florence VirginiaBrockton 1907 Thompson Florence VaughanSomerville 1907 Wheldon Florence Violetta L. Foxborough 1907
Unless one of these married a Perron as a first husband or your Florence was not born in MA, I would say no.
Here are the Florence Perron's born 1907 in MA: Perron Florence Rose Athol 1907 Perron Lena Florence Auburn 1907
Understand if the baby was unnamed [female] at birth they would not be in the above lists.
Unfortunately Plymouth Co Deeds are not online :( Did you locate them on the 1930 census?