Kirsty or Kirstie is a feminine given name and nickname. It is a Scottish diminutive of Christine in English-speaking countries and is also linked to Kirsten — the Scandinavian version of Christine. People. Kirstie Alley (1951–2022), American actress. Kirstie Allsopp (born 1971), British TV presenter. Kirsty Bentley (1983–1998), New Zealand murder victim. Kirsty Bertarelli (born Kirsty Roper in 1971), songwriter, former Miss UK. https://en.wikipedia.org/wiki/Kirsty