When Henry John Nightingale was born about 1902, in New Zealand, his father, Henry John Nightingale, was 32 and his mother, Ellen Morrish, was 34. He died about 1922, in his hometown, at the age of 22.
English: nickname for someone with a good voice, from Middle English nightegale ‘nightingale’ (Old English nihtegale, from niht ‘night’ + galan ‘sing’). The bird is known as a sweet singer.
Probably an Americanized form (translation into English) of German and Jewish (Ashkenazic) Nachtigall , or cognates in other languages.