Family name Hennigan (Hennigan 
) , all over the world, is quite a rare surname. The last name Hennigan is characteristic of Ireland, where it is quite a common surname, the United States, where it is a rare surname, and the United Kingdom.
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| Hennigan | Australia, Canada, Ireland, United Kingdom, United States |
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james w. hennigan sr. politician in Massachusetts, US (1890-1969), US (b. 1890) |
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james w. hennigan, jr. Massachusetts politician (1927-2020), US (b. 1927) |
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| gilbert franklin hennigan American politician in Louisiana (1883-1960), US (b. 1883) |
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charles taylor hennigan, sr. American football player (1935-2017), US (b. 1935) |
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phil hennigan American baseball player (1946-2016), US (b. 1946) |
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| adrian hennigan British film critic (b. 1901) |
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maura hennigan American politician, US (b. 1952) |
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john hennigan American poker player (born 1970), US (b. 1970) |
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| mike hennigan English footballer and manager (born 1942), GB (b. 1942) |
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| mike hennigan American football player, US (b. 1951) |
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| jack hennigan US (b. 1943) |
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| michael hennigan British chess player, GB (b. 1970) |
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| kelly hennigan researcher |
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| christopher j hennigan researcher |
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| brian hennigan British writer |
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