From the Clan Donald Society of the USA's list of names associated with the Clan:

•Cromb (76) Only those from Islay and must have originally been a MACCRUM.
•Crum (76) Only those from Islay and must have originally been a MACCRUM.

-- http://clan-donald-usa.org/CDCMS/ind...e=names-a-to-f

Also see: http://clan-donald-usa.org/CDCMS/ind...of-clan-donald

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