Let’s start with Kim, the most famous Kardashian name. It is definitely not keeping up with the success of KUWTK! Kim has steadily declined since 1960s, following the decline of the more common Kimberly. Not even the Kardashians could change that.
What about Khloé, Kyilie, and Kendall? Well, there seems to be no-one else named Khloé (at least, not in Social Security data), but we can look at the more common variant Chloe. If you really believe in the power of KUWTK, you could argue that Chloe had started to go down just before 2004, and that KUWTK extended its growth for a few years. Currently, however, Chloe is trending down sharply. Kylie and Kendall also did not benefit from KUWTK, and are curently trending down. (Kylie, however, had a good 20 years starting in the late 1980’s, possibly fueled by the rising career of singer and actress Kyiie Minogue.)
We have now arrived at Kourtney, our last Kardashian. This is the only case in which KUWTK may have had a sizeable effect. Kourtney’s peak popularity was a thing of the past when KUWTK started airing, but the name did have a revival for a few years.
In conclusion, while we know that great celebrities can influence baby names, it seems that the Kardashians have not been able to do so.
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