During his early years of television development, Baird faced both health problems and chronic financial difficulties, relying on loans and limited resources to continue his research.

John Logie Baird married Margaret Albu, a South African concert pianist, at St. Pancras Register Office in London. Their relationship brought stability and support to his life.

John Logie Baird and Margaret Albu welcomed their first child, a son named Malcolm. This marked a significant event in their personal life.

The couple's second child, a daughter named Diana, was born. This completed their family.

During the Second World War, Baird continued his research and development, focusing on radar technology and color television systems for military and potential future applications. He lived in Sydenham, London during this time, and his house was hit during the Blitz.

John Logie Baird died at his home in Bexhill-on-Sea, Sussex, England, after suffering a stroke. He was 57 years old. His legacy as a pioneer of television continued to grow posthumously.