Samuel Long (16 August 1746 – 19 October 1807), of Carshalton, Surrey, was an English member of parliament.
The son of Beeston Long, a West India Merchant and deputy Governor of the Royal Exchange Assurance Corporation, and brother of Beeston Long jnr.
Three years later in 1790, Long was elected to Parliament as member for Ilchester.
After his death at their London residence in Berkeley Square in 1807, his widow remarried a year later to Sir William Houston, 1st Baronet.
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