Surname Loughnan (Loughnan 
) , around the world, is quite a rare family name. The surname Loughnan is characteristic of Malta, where it is quite a rare surname, Australia, and New Zealand. Measured by absolute frequency, it is the most numerous in Australia, New Zealand, and the United Kingdom.
| VARIANT | COUNTRY |
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| Loughnan | United Kingdom, Malta, Australia, United States, New Zealand |
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austin loughnan Australian rules footballer and cricketer (1851-1926), AU (b. 1851) |
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| robert john loughnan New Zealand judge, GB (b. 1808) |
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| robert andrew loughnan Farmer, journalist, politician, NZ (b. 1841) |
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| george loughnan New South Wales politician (b. 1842) |
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| henry loughnan New Zealand cricketer, IN (b. 1849) |
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| loughnan st lawrence pendred British engineer (b. 1870) |
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| jack loughnan Australian rules footballer, AU (b. 1889) |
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col loughnan Australian saxophonist, AU (b. 1942) |
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| dorothy loughnan (born 1914) (b. 1914) |
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| ambrose loughnan author (b. 1919) |
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zepherina loughnan veitch fl. 1796 |
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| alice loughnan researcher (ORCID 0000-0001-9401-3416) |
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| eileen marion loughnan Peerage person ID=523887 |
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| terence e loughnan researcher |
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| patricia michael loughnan Peerage person ID=388762 |
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