The pattern is named after the European dance craze, but what exactly the dots have to do with polka is a bit of a mystery.
Polkadot (DOT)
POLKA DOTS
The History of the Polka Dot, from Minnie Mouse to Yayoi Kusama
The History of the Polka Dot, from Minnie Mouse to Yayoi Kusama
6 Interesting Facts About Barbie, Britannica
POLKA DOTS
A Comprehensive History of Polka Dots Throughout the Centuries
Why are polka dots and cherries associated with 1950s fashion? - Quora
What is the spiritual meaning of green with white polka dots? - Quora
POLKA DOTS
Polka dot - Wikipedia
Cinema Connection--1930s Marion Davies in Polkadots