The soundex code for Sinmar is S560.
Below are other surnames with the same soundex code. Click on a surname to see the listing for that name, or click the checkbox next to one or more names and then click the merge button to produce one listing including all the checked names.
Samara Saunier Seamore Semore Seymore Seymore? Seymour Snare Snarr Somer Soner Sonier Sounier Sumer Summer Sumner Sunar

If you want to include a name with a different soundex enter it here:

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