Add custom fields to registration in woocommerce
https://support.woothemes.com/hc/en-us/articles/203182373-How-to-add-custom-fiel...
03 feb 2015 - https://support.woothemes.com/hc/en-us/articles/203182373-How-to-add-custom-fields-in-user-registration-on-the-My-Account-page
03 feb 2015 - https://support.woothemes.com/hc/en-us/articles/203182373-How-to-add-custom-fields-in-user-registration-on-the-My-Account-page