Here's why:
* Popularity: Ironstone china was incredibly popular in the early to mid-20th century, coinciding with the show's setting of the 1930s and 1940s.
* Durability: Ironstone is known for its durability, making it suitable for a rural family like the Waltons. It could withstand the wear and tear of daily use.
* Appearance: The distinctive red and white color scheme was a common design for ironstone during that era.
* Cost: Ironstone was considered an affordable option for many households, aligning with the Waltons' modest circumstances.
While the show didn't specifically mention the type of china, it's highly probable that the red and white dishes were ironstone based on its popularity and characteristics.