O'Regan
The family name '''O'Regan, along with its cognates Regan, O Regan, Reagan, and O'Reagan, is an Anglicized form of the Irish surname Ó Riagáin or Ó Ríogáin''', from Ua Riagáin. The meaning is likely to have originated in ancient Gaelic ''ri'' "sovereign, king" and the diminutive suffix ''-in''; thus "the king's child" or "big king". The name was borne by two distinct families: one seated in Meath, the other in Thomond.The O'Regans of Meath were a branch of the southern Ui Neill and one of the four Tribes of Tara. Before the Anglo-Norman invasion, they were lords of south Breagh and the north of present-day County Dublin. They took a leading part in the wars against the Danes. In the year 1029, Mathghamhain Ó Riagáin, king of Breagh, captured the king of Dublin, Amhlaoibh son of Sitric, releasing him only upon payment of an enormous ransom, which included the celebrated Sword of Carlus. The O'Regans were dispossessed soon after the invasion and dispersed through Ireland.
The O'Regans of Thomond are a Dalcassian family said to be descended from Riagán, son of Donncuan, brother of King Brian Boru. Provided by Wikipedia
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261by West, Gabriel, Nilsson, Andreas, Geels, Alexis, Jakobsson, Martin, Moros, Matthias, Muschitiello, Francesco, Pearce, Christof, Snowball, Ian, O'Regan, MattGet access
Published in Geochemistry, Geophysics, Geosystems (2022)
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262by West, G, Nilsson, A, Geels, A, Jakobsson, M, Moros, M, Muschitiello, F, Pearce, C, Snowball, I, O’Regan, MGet access
Published 2022
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263by West, G, Nilsson, A, Geels, A, Jakobsson, M, Moros, M, Muschitiello, F, Pearce, C, Snowball, I, O’Regan, MGet access
Published 2022
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264by Cronin, T.M., Olds, B.M., Regnier, A.M., O'Regan, M., Gemery, L., Detlef, H., Pearce, C., Jakobsson, M.Get access
Published in Marine Micropaleontology (2022)
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265by H. Detlef, B. Reilly, A. Jennings, M. Mørk Jensen, M. O'Regan, M. Glasius, J. Olsen, M. Jakobsson, C. PearceGet access
Published in The Cryosphere (2021)
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266by H. Detlef, B. Reilly, A. Jennings, M. Mørk Jensen, M. O'Regan, M. Glasius, J. Olsen, M. Jakobsson, C. PearceGet access
Published in The Cryosphere (2021)
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267by Detlef, Henrieka, Reilly, Brendan, Jennings, Anne, Mørk Jensen, Mads, O'Regan, Matt, Glasius, Marianne, Olsen, Jesper, Jakobsson, Martin, Pearce, ChristofGet access
Published in The Cryosphere (2021)
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268by Swärd, Henrik, O'Regan, Matt, Björck, Svante, Greenwood, Sarah L., Kylander, Malin E., Mörth, Carl-Magnus, Pearce, Christof, Jakobsson, MartinGet access
Published in Boreas (2018)
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269by Barrientos, Natalia, Lear, Caroline, Jakobsson, Martin, Stranne, Christian, O'Regan, Matt, Cronin, Thomas M., Gukov, Alexandr Y., Coxall, Helen K.Get access
Published in Geochimica et Cosmochimica Acta (2018)
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270by L. Gemery, T. M. Cronin, R. K. Poirier, C. Pearce, N. Barrientos, M. O'Regan, C. Johansson, A. Koshurnikov, M. JakobssonGet access
Published in Climate of the Past (2017)
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271by L. Gemery, T. M. Cronin, R. K. Poirier, C. Pearce, N. Barrientos, M. O'Regan, C. Johansson, A. Koshurnikov, M. JakobssonGet access
Published in Climate of the Past (2017)
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272by Wegner, Carolyn, Kedra, M., Findlay, H., Fritz, M., Majaneva, S., Nikolopoulos, A., O'Regan, M., Pavlov, A., Peeken, I., Sampei, M.Get access
Published 2015
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273by Wegner, Carolyn, Reigstad, Marit, Forest, Alexandre, Forwick, Matthias, Frey, Karen E., Mathis, Jeremy, Michel, Christine, Nikolopoulos, AAnna, O'Regan, MattGet access
Published 2011
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274by Wegner, Carolyn, Forest, Alexandre, Forwick, Matthias, Frey, Karen E., Mathis, Jeremy, Michel, Christine, Nikolopoulos, Anne, O'Regan, Matt, Reigstadt, MaritGet access
Published 2011
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275by Wegner, Carolyn, Reigstad, Marit, Forest, Alexandre, Forwick, Matthias, Frey, Karen E., Mathis, Jeremy, Michel, Christine, Nikolopoulos, Anna, O'Regan, MattGet access
Published 2011
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276by Wegner, de Vernal, Forwick, Fritz, Lantuit, Hugues, Heikkilä, Lacka, Laska, Moskalik, O'Regan, Pawlowska, Prominska, Rachold, Vonk, J.E., WernerGet access
Published in Polar Research (2015)
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277by Wegner, Carolyn, Reigstad, Marit, Forest, Alexandre, Forwick, Matthias, Frey, Karen E., Mathis, Jeremy, Michel, Christine, Nikolopoulos, Anna, O'Regan, MattGet access
Published 2011
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278by Razmjooei, Mohammad J., Henderiks, Jorijntje, Coxall, Helen K., Baumann, Karl-Heinz, Vermassen, Flor, Jakobsson, Martin, Niessen, Frank, O'Regan, MattGet access
Published in Quaternary Science Reviews (2023)
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279by Shephard, G.E., Wiers, Steffen, Bazhenova, Evgenia, Pérez, Lara F., Mejía, Luz María, Johansson, Carina, Jakobsson, Martin, O’Regan, MattGet access
Published in Journal of Geodynamics (2018)
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280by Swärd, Henrik, O'Regan, Matt, Björck, Svante, Greenwood, Sarah L., Kylander, Malin E., Mörth, Carl‐Magnus, Pearce, Christof, Jakobsson, MartinGet access
Published in Boreas (2017)
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