The soundex code for Calahan is C450.
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.
Calhoun Callahan Callum Calon Clem Clime Climo Cline Cloin Clone Clune Colin Collin Cullahen Cullen Cullin(?)

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