It is impossible to say how many people have a certain name. Not all countries register all births and record such things. Nor is there any central register.
In addition similar names can be totally different in different languages.
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern JE-I---. That is, seven letter words with 1st letter J and 2nd letter E and 4th letter I. In alphabetical order, they are: jemidar jemimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern JE--M--. That is, seven letter words with 1st letter J and 2nd letter E and 5th letter M. In alphabetical order, they are: jemimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern JE-I-A-. That is, seven letter words with 1st letter J and 2nd letter E and 4th letter I and 6th letter A. In alphabetical order, they are: jemidar jemimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 6 words with the pattern JE---A-. That is, seven letter words with 1st letter J and 2nd letter E and 6th letter A. In alphabetical order, they are: jejunal jemadar jemidar jemimas jerboas jetbead
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern --MIMA-. That is, seven letter words with 3rd letter M and 4th letter I and 5th letter M and 6th letter A. In alphabetical order, they are: jemimas semimat
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern JE-I--S. That is, seven letter words with 1st letter J and 2nd letter E and 4th letter I and 7th letter S. In alphabetical order, they are: jemimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 13 words with the pattern J---M--. That is, seven letter words with 1st letter J and 5th letter M. In alphabetical order, they are: jacamar jackman jackmen jarkman jarkmen jazzman jazzmen jemimas jicamas junkman junkmen juryman jurymen
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 2 words with the pattern J---MAS. That is, seven letter words with 1st letter J and 5th letter M and 6th letter A and 7th letter S. In alphabetical order, they are: jemimas jicamas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 10 words with the pattern J----AS. That is, seven letter words with 1st letter J and 6th letter A and 7th letter S. In alphabetical order, they are: jacanas jarinas jatakas jemimas jerboas jhatkas jicamas joannas jojobas judokas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 8 words with the pattern J---MA-. That is, seven letter words with 1st letter J and 5th letter M and 6th letter A. In alphabetical order, they are: jacamar jackman jarkman jazzman jemimas jicamas junkman juryman
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 5 words with the pattern ---IMAS. That is, seven letter words with 4th letter I and 5th letter M and 6th letter A and 7th letter S. In alphabetical order, they are: calimas conimas intimas jemimas ultimas
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 1 words with the pattern J-M-MA-. That is, seven letter words with 1st letter J and 3rd letter M and 5th letter M and 6th letter A. In alphabetical order, they are: jemimas