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Caversham Phonetic Encoding

To see phonetic code, type a single name and press submit (requires javascript)


In an effort to establish matches between different versions of the same name in the Caversham Project databases. Various phonetic encoding schemes where investigated, such as soundex and metaphone. None of them were felt to accurately represent the accent variation in the study population - Largely immigrants, and descendants of immigrants, from the United Kingdom and Ireland. David Hood developed a phonetic encoding scheme, dubbed 'caverphone', to try and address this mix. The rules are:

  • Start with a Surname or Firstname
  • Convert to lowercase
  • Remove anything not A-Z
  • If the name starts with cough make it cou2f
  • If the name starts with rough make it rou2f
  • If the name starts with tough make it tou2f
  • If the name starts with enough make it enou2f
  • If the name starts with gn make it 2n
  • If the name ends with mb make it m2
  • replace cq with 2q
  • replace ci with si
  • replace ce with se
  • replace cy with sy
  • replace tch with 2ch
  • replace c with k
  • replace q with k
  • replace x with k
  • replace v with f
  • replace dg with 2g
  • replace tio with sio
  • replace tia with sia
  • replace d with t
  • replace ph with fh
  • replace b with p
  • replace sh with s2
  • replace z with s
  • replace and initial vowel with an A
  • replace all other vowels with a 3
  • replace 3gh3 with 3kh3
  • replace gh with 22
  • replace g with k
  • replace groups of the letter s with a S
  • replace groups of the letter t with a T
  • replace groups of the letter p with a P
  • replace groups of the letter k with a K
  • replace groups of the letter f with a F
  • replace groups of the letter m with a M
  • replace groups of the letter n with a N
  • replace w3 with W3
  • replace wy with Wy
  • replace wh3 with Wh3
  • replace why with Why
  • replace w with 2
  • replace and initial h with an A
  • replace all other occurrences of h with a 2
  • replace r3 with R3
  • replace ry with Ry
  • replace r with 2
  • replace l3 with L3
  • replace ly with Ly
  • replace l with 2
  • replace j with y
  • replace y3 with Y3
  • replace y with 2
  • remove all 2s
  • remove all 3s
  • put six 1s on the end
  • take the first six characters as the code

Note: Case is important when following through the steps


Example 1:
David
david
dafid
tafit
t3f3t
T3f3T
T3F3T
TFT
TFT111111
TFT111

Example 2:
Whittle
whittle
wh3ttl3
wh3Tl3
Wh3Tl3
W23Tl3
W23TL3
W3TL3
WTL
WTL1111111
WTL111

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Last updated 4th November 2010.