Family tree▼
'Children [of Samuel and Abigail (Dimon) Smedley], recorded and bapt. at Stratfield: ...Samuel, b. 1 Sept. 1703 (?), bapt. 6 Sept. 1702, d. at Litchfield, 16 Feb. 1756 ae. 54; m. 1 Feb. 1729, Esther Kilbourn.'
'Samuel Smedley, Sen., died, Feb. 16, 1756, aged 54.'
'SMEDLEY, SMEDLE, SMEDLYE, ...Samuel, d. Feb. 16, 1756, in the 54th y. of his age'
'Samuel Smedley (son of Samuel) - Sept 6'
Assuming the records are in chronological order, which they appear to be (more or less), this would be 1702.
From the will of Joseph Kilbourn (her father), dated 1737: 'I give and bequeath to my three daughters, ... Esther, wife of Samuel Smedley, ...'