Noble type; from Lydia
Liddy is primarily used as a diminutive of Elizabeth or Lydia. When derived from Elizabeth, it shares the meaning 'pledged to God,' while as a diminutive of Lydia, it refers to a person from the ancient region of Lydia in Asia Minor. It has evolved into a standalone nickname-style name with a vintage feel.
Fewer than 5 girls were named Liddy in 2025.
US births per 5-year period, 1990–present (SSA data).
New Zealand actress and scriptwriter
Australian politician and actress
