Ancestry had Eva changing her name to Frances I will give you the info and let you decide for your self,
Boston June 29 1898 marriage
Edward S. Lincoln Hotel Milton 28 chocalate operator b. Dennisville Me.1st marriage parents George O. Lincoln and Pauline Stainels
Frances M. Munroe 21 Everett St. 25 milliner b. Bridgewater N.S. 1st marriage parents John W. Munroe and Margaret Rudolph
Philo W. Sprague, Clergyman
There is more census info on this couple if you think this is your Eva.