
1) Anglicised Irish surname 2) Author of a study in scarlet 3) Blues rocker Bramhall II 4) Creator of Brigadier Gerard 5) Creator of Holmes and Watson 6) Creator of sherlock holmes 7) Hurler Alexander 8) Irish boy name 9) Last name in mysteries 10) Last name in whodunits 11) Longtime strand writer 12) Lonnegan in The Sting
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https://www.crosswordclues.com/clue/doyle

Doyle is a surname of Irish origin. The name is an Anglicisation of the Irish Ó Dubhghaill (IPA:/oːˈd̪ˠʊwəlʲ/), meaning `descendant of Dubhghall`. The personal name Dubhghall contains the elements dubh `black` + gall `stranger`. Similar Scottish and Irish surnames, derived from the same personal name are: MacDougall / McDougall and M...
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http://en.wikipedia.org/wiki/Doyle

Type: Term Pronunciation: doyl Definitions: 1. J.B., 20th-century U.S. gynecologist. See: Doyle operation
Found on
http://www.medilexicon.com/medicaldictionary.php?t=26586

The USS Doyle was an American Buchanan Class destroyer of 1630 tons displacement launched in 1942. The USS Doyle was powered by four Babcock and Wilcox oil-burning boilers providing a top speed of 36.5 knots. She carried a complement of 210 and was armed with four 5 inch guns; four 40 mm Bofors anti-aircraft guns; seven 20 mm Oerlikon anti-aircraft...
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http://www.probertencyclopaedia.com/browse/RD.HTM

1859–1930, British physician, novelist, and detective-story writer.
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https://www.infoplease.com/dictionary/doyle
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