Rachel McCollum told ITV News she "just can't rest at the moment until he's back."
"I haven't got closure, he's still lost. What can I do?" she said.
There was a one minute silence today held in memory of Dylan from Kettering who died after falling into the sea in Burnham-on-Sea.
The body was discovered at about 12.30pm today. Police say they believe it be that of missing 4-year-old, Dylan Cecil.
The body of 4-year-old Dylan Cecil who slipped from a jetty in North Somerset is believed to have been washed out to sea.