Katharine Kerr is a science fiction

Science fiction

Science fiction is a genre of fiction dealing with imaginary but more or less plausible content such as future settings, futuristic science and technology, space travel, aliens, and paranormal abilities...

 and fantasy

Fantasy

Fantasy is a genre of fiction that commonly uses magic and other supernatural phenomena as a primary element of plot, theme, or setting. Many works within the genre take place in imaginary worlds where magic is common...

 novelist, best known for her series of Celtic

Celtic mythology

Celtic mythology is the mythology of Celtic polytheism, apparently the religion of the Iron Age Celts. Like other Iron Age Europeans, the early Celts maintained a polytheistic mythology and religious structure...

-influenced high fantasy novels set in the fictional land of Deverry

Deverry

Deverry is a fictional kingdom in the Deverry cycle, a series of novels by Katharine Kerr.It was settled by a fictional Gallic tribe, known as the Devetii, which fled Gaul to escape the Romans near the end of the 1st century CE. Using magical means, the Devetii were transported to an entirely...

.
Katharine Kerr was born in Cleveland, Ohio

Cleveland, Ohio

Cleveland is a city in the U.S. state of Ohio and is the county seat of Cuyahoga County, the most populous county in the state. The city is located in northeastern Ohio on the southern shore of Lake Erie, approximately west of the Pennsylvania border...

; her maiden name was Katharine Nancy Brahtin. She describes her family feeling more like "British-in-exile" than American. She describes her inability to spell properly using either the British or American systems as a result of having been taught to read solely with British books.