Keggin

Keggin
This interesting surname is of Irish origin, and is an Anglicized form of the Old Gaelic "MacAodhagain". The Gaelic prefix "mac" denotes "son of", and the personal name "Aodhagain" is a diminutive of "Aodh", "fire", originally the name of a pagan god. The great MacAodhagain sept originated in the ancient territory of Ui Maine (comprising mid-Galway and south Roscommon), where they held the hereditary office of "ollav" or lawyer to the ruling families. A branch of this important Brehon (law-giving) family settled in the Leinster counties of Wicklow and Dublin, where the name was Anglicized Keegan, the original Anglicized form being Egan. Following the destruction of the Old Gaelic order, this sept held high office in the Church, and several of its members distinguished themselves in battle. On November 22nd 1792, Betty, daughter of William Keegan, was christened in Athy, Co. Kildare. Between January 1846 and June 1847 thirty-two Keegans are known to have arrived in New York as famine immigrants. The family Coat of Arms is a shield divided quarterly red and gold, with a silver tower supported on either side by a man in complete armour holding in the interior hand a battle-axe all proper, in the first and fourth quarters, and a green bend changed with three silver plates in the second and third. The first recorded spelling of the family name is shown to be that of Sarah Egan, which was dated 1226, marriage to Thomas L'Estrange, at Killaloe, Co. Clare, during the reign of King Henry 111 of England, known as "The Frenchman", 1216 - Surnames became necessary when governments introduced personal taxation. In England this was known as Poll Tax. Throughout the centuries, surnames in every country have continued to "develop" often leading to astonishing variants of the original spelling.1272.

Surnames reference. 2013.

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  • Keggin structure — is the best known structural form for heteropoly acids. It is the structural form of α–Keggin anions, which have a general formula of [XM12O40] n , where X is the heteroatom (most commonly are P5+, Si4+, or B3+), M is the addenda atom (most… …   Wikipedia

  • Keggin-Struktur — Kẹg|gin Struk|tur [nach dem brit. Chemiker J. F. Keggin (20. Jh.)]: eine mol. Struktur, die von Anionen bestimmter ↑ Heteropolysäuren der allg. Formel [XnM12O40]n‒ mit X = Si, Ge, P, As, B u. M = Mo oder W, z. B. [PMo12040]3 bevorzugt… …   Universal-Lexikon

  • Structure de Keggin — de l ion phosphomolybdate. En rose au centre P, en bleu Mo et en rouge O …   Wikipédia en Français

  • Polyoxometalate — The term polyoxometalate (abbreviated POM) is applied to an extremely large group of generally anionic clusters with frameworks built from transition metal oxo anions linked by shared oxide ions. The term is usually applied to clusters of 3 or… …   Wikipedia

  • Phosphotungstic acid — Chembox new Name = Phosphotungstic acid ImageFile = Phosphotungstate 3D polyhedra.png ImageName = Structure of the phosphotungstate anion OtherNames = PTA, TPA, tungstophosphoric acid Section1 = Chembox Identifiers CASNo = 12067 99 1 Section2 =… …   Wikipedia

  • Polyoxométallate — Le terme polyoxométallate (POM) regroupe une grande variété de clusters anioniques à bases de complexes oxo de métaux de transition. Dans la majorité des cas, les métaux de transition à la base des polyoxométallates sont le V(V) (on parlera alors …   Wikipédia en Français

  • Molybdenum blue — is a term applied to: reduced heteropolymolybdate complexes, polyoxometalates containing Mo(V), Mo(VI), and a hetero atom such as phosphorus or silicon reduced isopolymolybdate complexes, polyoxometalates containing Mo(V), Mo(VI) formed when… …   Wikipedia

  • Aluminium chlorohydrate — is a group of specific aluminium salts having the general formula AlnCl(3n m)(OH)m. It is used in deodorants and antiperspirants and as a coagulant in water purification. In water purification, this compound is preferred in some cases because of… …   Wikipedia

  • Heteropoly acid — A heteropoly acid is a class of acid made up of a particular combination of hydrogen and oxygen with certain metals and non metals. This type of acid is frequently used as a re usable acid catalyst in chemical reactions.To qualify as a heteropoly …   Wikipedia

  • List of Michael Roach Medal recipients — The Michael Roach Medal is an Australian rules football award given each season to the leading goalkicker (or goalkickers) for the Richmond Football Club. The award is now named in honour of Michael Roach, Richmond s best post war full forward… …   Wikipedia

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