The dishwasher has one of the more unusual origin stories of any household appliance: it wasn’t invented to save time on a chore its inventor found tedious, but to stop servants chipping the good china.
Josephine Cochrane, a wealthy Illinois socialite, grew frustrated that her expensive heirloom china kept getting chipped during hand-washing by household staff. In 1886 she patented a machine that used water pressure rather than scrubbing to clean dishes, racked securely in a wire frame inside a copper boiler. She showed it at the 1893 World’s Columbian Exposition in Chicago, where it won an award for “best mechanical construction” — and Cochrane went on to found a company that eventually became part of KitchenAid.
For decades, dishwashers remained primarily a commercial product for hotels and restaurants — they were large, expensive, and required more reliable hot water and plumbing than most homes had. Domestic dishwashers only began reaching a meaningful number of American homes from the late 1940s and 1950s onwards, as post-war affluence, improved plumbing, and smaller, more affordable designs converged.
The UK lagged noticeably behind the US in dishwasher ownership for much of the 20th century — British kitchens were typically smaller, and cultural habits around washing up by hand were well established. Domestic dishwashers didn’t become a common British kitchen fixture until relatively recently by appliance standards, really only becoming mainstream from the 1980s and 90s onward, and it’s really in the last couple of decades that they’ve become a near-default inclusion in new UK kitchen fit-outs.
Modern dishwashers from brands like Bosch, Beko, and Miele bear little resemblance to Cochrane’s copper boiler — sensor-based soil detection, integrated water softeners, and energy-efficient wash cycles are all standard now, a long way from a 19th-century solution to broken china.
See our troubleshooting guides for common faults, what's safe to check yourself, and when to call a professional.
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