Hello Mary Jane
familysearch.org lists this bpt
Louisa SMITH bpt 21 March 1841 Bawdsey. Parents William & Sarah. Seems to fit nicely with your Louisa.
However to be absolutely certain you really need a copy of the marriage cert from the GRO cost £9.25
Woodbridge Registration District, October - December quarter 1860 ref 4a/1321
George Smith & Louisa Smith both appear on the same page & freebmd notes that they married 25 Dec 1860
K