In mitigation, Mumba pleaded for leniency, saying she was a first-time offender, remorseful and a mother of two other children.
During the trial, the court was told that the cause of the child's death was severe traumatic head injury as a result of blunt force trauma to the head.
A woman has been sentenced to 10 years in prison after being found guilty of murdering her one-year-old son by throwing him into a borehole so that she could travel to the United Arab Emirates (UAE).
Judge Anne Ong'injo of the High Court in Mombasa ruled that the prosecution had proved its case against Happy Mwenda Mumba beyond reasonable doubt.