It’s widely accepted that fresh air is good for you, but in the mid-twentieth century, some people took that idea to surprising extremes—especially when it came to babies. The belief that infants needed to be regularly “aired out” gained popularity, thanks in part to physicians like Dr. Luther Emmett Holt. A strong advocate for the practice, Dr. Holt wrote, “Fresh air is required to renew and purify the blood, and this is just as much a necessity for health and growth as proper food. The appetite is improved, the digestion is better, the cheeks are red, and all signs of health are seen.”

While Dr. Holt primarily encouraged parents to place their babies near an open window to enjoy the benefits of fresh air, the idea quickly evolved. In time, it led to the invention of baby cages—wire contraptions that could be attached to apartment windows, literally suspending babies outside several stories above the ground.

It was widely believed that a well-aired child would develop a stronger immune system and be less prone to colds. For apartment dwellers without access to private outdoor space, baby cages became a practical solution. These contraptions not only freed up space inside the home but also allowed children to spend time outdoors in what was considered a safe and controlled environment. The first patent for a baby cage was filed in 1922, and the devices remained popular through the 1940s. However, as public attitudes toward child safety evolved, baby cages gradually fell out of favor, eventually becoming a curious relic of early 20th-century parenting.

 Interestingly, despite how alarming the concept may seem today, there are no widely reported cases of serious injury resulting from the use of baby cages. It’s a surprising fact, considering how precarious they appear by modern standards. Still, it begs the question—knowing what we know now about safety and parenting norms, would you trust one of these contraptions with your own child?

Until Next Time

N.F.

Sources:

  • Howard, Krissy. “In the 1930s, People Kept Babies in Cages Suspended Out of Their Windows. All That’s Interesting. May 3, 2017. Accessed April 4, 2025. Allthatsinteresting.com/baby-cages.
  • “The Bizarre history of the Baby Cage, 1934-1948.” Rare Historical Photos. Accessed April 4, 2025. Rarehistoricalphotos.com/history-baby-cage-1934-1948/.

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