Rainwater
An English-language surname that likely began as a nickname or ornamental name built from the words for rain and water.
The #4,949 most common surname in the United States (2010 Census) — about 1 in every 43,418 Americans shares it.
Etymology
Rainwater is a transparent compound of English rain + water, literally meaning “rain water.” As a surname, it is best understood as an English-language formation rather than a term borrowed from another language. It may have begun as a nickname, a descriptive label, or later an ornamental family name built from familiar natural words.
History
The surname is especially associated with the United States, where it appears among a cluster of colorful English-looking surnames formed from everyday words and natural terms. The historical excerpt supplied groups it with other surnames such as Springwater, Wellwater, Freshwater, Clearwater, and Coldwater, suggesting a pattern of decorative or descriptive naming rather than a single fixed place origin. In modern use, Rainwater remains relatively uncommon but is well established in American records.
Origin
Regions
Variant spellings
Fun fact
Rainwater is part of a small but striking set of surnames built from weather, water, and drinking words, which makes it memorable even among rare surnames.
From the historical record
“Coffeeberry, Cocoa, Chocolate/ Tea, Teas, Thein, Hyson, SoachoD, Olong, Bohee, Heno, Sodawater, Seltzer, Vichy, - Water, Springwater, Rainwater, Wellwater, Freshwater, Goodwater, Clearwater, Coldwater, Ice. Good-bar, Bar-fnll, New-brand, Good-brand, - License, Winestock, Wine, Wines, Champagne, Hochheimer,St.…”
— A Grammar of American Surnames