ɐ nˈuː sˈɪvəl pˈæɹɪʃ kˈɔːld wˈɛlɪn ɡˈɑːɹdən sˈɪɾi wʌz kɹiːˈeɪɾᵻd ˌɔn wˈʌn ɑːktˈoʊbɚ nˈaɪntiːnhˈʌndɹɪd twˈɛnti wˈʌn fɹʌm pˈɑːɹts ʌv ðiːz fˈoːɹ pˈæɹɪʃᵻz.
A new civil parish called Welwyn Garden City was created on 1 October 1921 from parts of these four parishes.