There are hundreds of them. Here are some from ancestry.co.uk It appears to be unisex.
Elvis Joshua N Abentara Zormelo Feb 2005 Tower Hamlets London
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Joshua Elvis N Abentara Zormelo Feb 2005 Tower Hamlets London
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Elvis Somerset Abraham Firth Jun 2005 Haywards Heath West Sussex
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Elvis Adu Acheampong Acheampong Oct 2004 Hackney London
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Elvis Kwabena Acheampong Forson Mar 2004 Greenwich London
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Kester Elvis Acquaah Nkrumah Oct 2005 Lewisham London
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Fletcher Elvis Adam Adam Mar 2003 Leeds Yorkshire
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Elvis Adams Mensah Aug 2005 Southampton Hampshire
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Elvis Chukwuemeka O D Adeyeye Adeyeye Jul 1994 Lambeth London
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Elvis Asiamah Adjei Agyemang Dec 2003 Redbridge Essex
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Elvis Asiamah Adjei-Bediako Agyemang Dec 2003 Redbridge Essex
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Elvis Zola Adolfo Isabel May 1998 Kingston Upon Thames Surrey
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Elvis Kumi Adonten Adonten Jan 2004 Hackney London
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Elvis Kumi Adonten Adonten Jan 2004 Hackney London
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Kwadwo Elvis Adubofour Nyarko Mar 2003 Lambeth London
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Elvis Nosa Aduwa Osahon Dec 1985 Islington London
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Kaiyan Elvis Afsheen Afsheen May 2005 Penzance Cornwall
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Joshua Elvis U Agada Abidde Dec 2002 Reading Berkshire
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Mark Elvis Ah-Choon Avery Dec 1984 Exeter Devon
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Elvis Chima Ajaa Ajaa Dec 2002 Kensington and Chelsea London
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Cillian Elvis Akers Akers Jun 2005 Bristol Gloucestershire
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Elvis Emmanuel Akonto Akonto Nov 1991 Enfield Middlesex
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George Elvis J Alexander Wheeldon Dec 1995 Nottingham Nottinghamshire
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Elvis Jai A Alexander-Closs Alexander Jun 2000 Islington London
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Elvis Alija Osmanovic Jun 2004 Derby Derbyshire
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Elvis Alexander Allan Davies Feb 2005 Kings Lynn Norfolk
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Zachary Elvis Allan Allan Jun 2001 Norwich Norfolk
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Aron Elvis W Allcock Allcock Feb 1989 Shrewsbury Shropshire
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Harry Elvis Allen Spence Jan 2006 Chelmsford Essex
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Paul Elvis A Allen Hillyard Jun 1986 Bedford Bedfordshire
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Paul Elvis A Allen Hillyard Jun 1986 Bedford Bedfordshire
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Stanley Elvis G Allen Brayallen Jul 2001 Brighton Sussex
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Elvis Kwasi Alorka Agrah Apr 1989 Wandsworth London
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Elvis Emeka Amadi Ichoku Oct 2005 Islington London
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Elvis Amanor Ababio Oct 2004 Hull Yorkshire
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Elvis Amanor Boafo Ababio Oct 2004 Hull Yorkshire
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Charlie Elvis Anderson Dunlevy Jul 2005 Bexley Kent
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Charlotte Elvis Anderson Hackworthy Aug 2003 Plymouth Devon
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Darren Elvis Anderton Anderton Jan 1993 Doncaster Nottinghamshire, Yorkshire
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Elvis Daniel Andrade Dasilva Nov 2000 Hillingdon Middlesex
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Elvis Daniel Andrade Dias Dasilva Nov 2000 Hillingdon Middlesex
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Elvis Tete Annan Lartey Mar 2003 Bristol Gloucestershire
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Emmanuel Elvis L Annan Chatyoka Dec 2001 Slough Berkshire
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Elvis Ofofi Ansah Owusu-Ansah Aug 1991 Waltham Forest London
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Elvis Emmanuel Appah Akonto Nov 1991 Enfield Middlesex
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Giacomo Elvis Arcadu Santin Nov 2000 Westminster London
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Ricky Elvis M Archer Archer Sep 1985 Thurrock Essex
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Elvis Arifaj Goxha Jan 2003 Enfield Middlesex
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Elvis Ifeayin Arinze Uwajeh Jan 2004 Lambeth London
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Raymond Elvis A Armstrong Hanson Feb 1985 Hull Yorkshire