This certificate also does not have her name as Obama either. Maybe they were never married and that is just what he did not want anyone to know.
This purports to be the COLB - Certifying the birth of a live baby - a registration that was supposedly entered by the grandmother - and can so be registered in any state, no matter where they were born. T
This is the most authentic of all the COLB's so far released. and it's been buried and ignored. Note that the 'race' of the father is listed correctly as 'negro-African" as it would have been listed at that time.