from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A phonetic algorithm for indexing names by their English pronunciation, based on the most probably significant consonants, so that a search for a misspelled name may find the desired one.


from Wiktionary, Creative Commons Attribution/Share-Alike License

Blend of sound and index


  • Dr Jack Hermansen, a computational linguist who developed the technology used by Customs, says Soundex is "simple, neat and wrong".

    Archive 2005-10-01

  • For years Microsoft SQL Server has provided developers with a method called Soundex that is used to retrieve an encoded string.

    Latest Articles |

  • Unique IDs: programmer tells you how to decode 'Soundex' driver license numbers.

    Archive 2003-11-01

  • I've translated the opening lines of a famous song into Soundex code, and then substituted for each word a surname having the same code.

    Genealogue Challenge #142

  • The USPTO's website has a "Kids' Pages" section that contains a collection of sounds filed under a "Trademark Soundex."

    Archive 2008-01-01

  • Same-Soundex marriage is legal in twelve states, with seven others considering legalization.

    Congress Considering Marriage Ban

  • Jan. 8, 1918 — Donald Knuth comes up with the idea of Soundex when he realizes that his surname sounds a lot like "Kennedy."

    Top Ten Greatest Moments in Genealogy

  • What sets it apart is Megadex — a new, proprietary alternative to Soundex.

    Meet Meta-Search at

  • The problem with Soundex, of course, is that retranslated messages are ambiguous.

    T000 S360-S152 B560 (The Star-Spangled Banner)

  • "Having similar-sounding surnames doesn't mean two people can't fall in love and raise a family together," responds Patricia England-Engelman, founder of Same-Soundex Americans for Marriage Equality.

    Congress Considering Marriage Ban


Log in or sign up to get involved in the conversation. It's quick and easy.