Séamus since then. Though still used by some as a derogatory term, the great preponderance of Irish and Irish-American law enforcement officers led to a persisting stereotype, and the name "Shamus" continues to refer to Irish-American police and private detectives. Séamus Variant spellings include ', ', ', ', "Shaymus", "Sheamus" and "Shamus". Diminutives include ', ' and "". In the United States, the word "Shamus" is a derogatory slang misspelling of Séamus that arose during the 19th century as more than 4.5 million Irish immigrated to America, peaking at almost two million between 1845 and 1852 during ""The Great Hunger"" (Irish:
Shamus: Case II Shamus: Case II Shamus: Case II is a video game for the Atari 8-bit family written by William Mataga and published by Synapse Software. Mataga also wrote the original "Shamus" and the scrolling shooter "Zeppelin". A port to the Commodore 64 by Joe Vierra was released in . Although ostensibly a sequel to "Shamus", the gameplay is very different, combining aspects of platformers, maze games, and even "Breakout". "Case II" was as well received as the original, it did not inspire a "Case III", and Synapse was soon insolvent. The original "Shamus" started out as a clone of the arcade