Last name Lenihan (Lenihan 
) , in the world, is quite a common family name. The family name Lenihan is characteristic of Ireland, where it is quite a common surname, New Zealand, where it is quite a rare surname, and the United Kingdom, where it is a rare surname. Measured by absolute frequency, it is commonest in the United States, Ireland, and the United Kingdom.
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| Lenihan | Philippines, Canada, United States, United Kingdom, Ireland |
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thomas mathias lenihan Bishop of Cheyenne, Wyoming, IE (b. 1843) |
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| maurice lenihan Irish journalist and local historian (b. 1811) |
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william a. lenihan politician in Massachusetts, US, US (b. 1862) |
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michael joseph lenihan American military personnel, US (b. 1865) |
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winifred lenihan American actor, writer and director (1898-1964), US (b. 1898) |
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| mathias clement lenihan Bishop of Great Falls, Montana, US (b. 1854) |
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| george michael lenihan Roman Catholic Bishop of Auckland New Zealand, NZ (b. 1858) |
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| anne rita lenihan 1879 - (b. 1879) |
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| patrick lenihan Irish politician, IE (b. 1902) |
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| tom lenihan Irish traditional singer, IE (b. 1908) |
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| patrick lenihan (b. 1903) |
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conor lenihan Irish politician, IE (b. 1963) |
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| rita lenihan American military personnel, US (b. 1914) |
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| j. m. a. lenihan (b. 1918) |
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| r. v. lenihan Canadian politician (1929-2002), CA (b. 1929) |
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