This function actually implements the genderize.io API. Can only query 10 names at a time.
1 2  | lookupNameVectorGenderize(nameVector, countryCode = NA, languageCode = NA,
  apiKey = NA)
 | 
nameVector | 
 A vector containing one or more names to look up.  | 
countryCode | 
 An optional ISO 3166-1 alpha-2 country code.  | 
languageCode | 
 An optional ISO 639-1 language code. Only one of countryCode or languageCode can be specified.  | 
apiKey | 
 An optional API key for genderize.io.  | 
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