The first civilian in space was Valentina Tereshkova aboard Vostok 6 (she also became the first woman in space on that mission).
ðə fˈɜːst sɪvˈɪliən ɪn spˈeɪs wʌz vˌæləntˈiːnə tˌɛɹɪʃkˈoʊvə ɐbˈoːɹd vˈɑːstɑːk sˈɪks ʃiː ˈɔːlsoʊ bɪkˌeɪm ðə fˈɜːst wˈʊmən ɪn spˈeɪs ˌɔn ðæt mˈɪʃən.