These names are shortened versions of longer names. The longer names were popular enough to appear on top 100 lists in the listed decades.

• Alex

  • Alexander 1890s-2010s
  • Alexandra 1960s-2010s

• Chris

  • Christopher 1890s-2000s
  • Christian 1960s-1990s
  • Christina 1890s-1950s
  • Christine 1910s-1980s

• Fran

  • Frances 1890s-1960s
  • Francesca 1980s-2000s
  • Francis 1890s-1960s

• Jo

  • Joe 1980s-2000s
  • Joseph 1890s-2010s
  • Joanne 1950s-1980s
  • Josephine 1900s-1950s

• Max

  • Maxine 1960s-1970s
  • Max 1990s-2000s

• Les

  • Leslie 1890s-1960s
  • Lesley 1930s-1970s

• Lou

  • Louis 1890s-2010s
  • Louise 1950s-2000s
  • Louisa 1890s-1910s

• Mel

  • Melvyn 1930s-1940s
  • Melanie 1950s-1980s
  • Melissa 1970s-2000s

• Nicky

  • Nicola 1940s-1990s
  • Nichola 1960s-1970s
  • Nicole 1980s-2010s
  • Nicholas 1930s-2000s

• Pat

  • Patricia 1900s-1970s
  • Patrick 1890s-2000s

• Sam

  • Samuel 1890s-2010s
  • Samantha 1960s-2000s

• Terry

  • Terence 1910s-1970s
  • Teresa 1920s-1970s

Source: Office of National Statistics.