Owfield married Katherine Smith, daughter of William Smith of London.

On 25 December 1816, he married Joanna Maria Smith, daughter of William Smith.

Bessie Smith was the daughter of Laura (née Owens) and William Smith.

In 1939 Bard married Mildred Valley Smith, daughter of William Henry Smith.

O'Brien married Charlotte Smith, daughter of William Smith, on 12 November 1799.

Carlow, and Frances Anne (1801-1883) daughter of William Smith of Dublin.

He was one of five sons and five daughters of William Smith, the famous MP and abolitionist.

In 1786 he married his wife, Mary, the second daughter of William Smith with whom he had four sons.

He married Mary Smith, daughter of William Smith, an Alabama judge and former United States senator from South Carolina.

In 1823 Green formed a relationship with Jane Smith, the daughter of William Smith, hired by Green Senior as mill manager.