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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321by Sangiorgi, F, Brumsack, H. J., Willard, D. A., Schouten, S, Stickley, C. E., O'Regan, Matthew, Reichart, G. J, Damste, J. S.S, Brinkhuis, H.Get access
Published in Paleoceanography (2008)
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323by Farmer, Jesse R., Keller, Katherine J., Poirier, Robert K., Dwyer, Gary S., Schaller, Morgan F., Coxall, Helen K., O'Regan, Matt, Cronin, Thomas M.Get access
Published in Climate of the Past (2023)
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324by Farmer, Jesse R., Keller, Katherine J., Poirier, Robert K., Dwyer, Gary S., Schaller, Morgan F., Coxall, Helen K., O'Regan, Matthew, Cronin, Thomas M.Get access
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325by Farmer, Jesse R., Keller, Katherine J., Poirier, Robert K., Dwyer, Gary S., Schaller, Morgan F., Coxall, Helen K., O'Regan, Matt, Cronin, Thomas M.Get access
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326by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
Published in Nature (2015)
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329by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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330by Hilton, R.G., Galy, V., Gaillardet, J., Dellinger, M., Bryant, C., O’Regan, M., Gröcke, D.R., Coxall, H., Bouchez, J., Calmels, D.Get access
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331by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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332by Frank, Martin, Backman, Jan, Jakobsson, Martin, Moran, Kate, O'Regan, Matthew, King, John W., Haley, Brian A., Kubik, Peter W., Garbe-Schönberg, DieterGet access
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334by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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335by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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336by O'Regan, Matthew, King, John, Backman, Jan, Jakobsson, Martin, Pälike, Heiko, Moran, Kathryn, Heil, Clifford, Sakamoto, Tatsuhiko, Cronin, Thomas M., Jordan, Richard W.Get access
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337by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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338by Hilton, Robert G., Galy, Valier, Gaillardet, Jérôme, Dellinger, Mathieu, Bryant, Charlotte, O'Regan, Matt, Gröcke, Darren R., Coxall, Helen, Bouchez, Julien, Calmels, DamienGet access
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339by Kremer, A., Stein, R., Fahl, K., Ji, Z., Yang, Z., Wiers, S., Matthiessen, J., Forwick, M., Löwemark, L., O'Regan, M., Chen, J., Snowball, I.Get access
Published in Quaternary Science Reviews (2018)
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