Eddie Smith
From Tardis Wiki, the free Doctor Who reference
Father of Sarah Jane Smith died on the day of the Foxgrove village fete on the 18th August 1951 when Sarah Jane was 3 months old. He and his wife Barbara Smith drove off in their car leaving their baby behind in the pram.
He was the brother of Lavinia Smith. (SJA: The Temptation of Sarah Jane Smith)