This individual has no known canonical name.  While the information presented is canonical, the individual described lacks an official name, thus the title is conjecture.

Eli Wallace's father is a male Tau'ri. In 1998, he left his wife Marian Wallace and his then fourteen year old son Eli after learning that his wife had been pricked by a syringe and became infected with HIV. Eli mentions him when he visits a jungle planet. (SGU: "Time", "Pathogen")