Split Full Name Column for Email First Name Personalization
Event platforms like Eventbrite, Luma, and Cvent export attendee data with a single Full Name column rather than separate first and last name fields. For email personalization, you need $first_name extracted correctly — but naive space-based splitting breaks on common name structures. 'Text to Columns' with a space delimiter turns 'John Paul Smith' into first: John, last: Paul (losing the surname entirely), splits 'María de la Cruz' into four fragmented columns, and reduces 'Dr. James K. Patterson Jr.' to chaos across five cells. The correct approach uses pattern-based extraction: isolate the first token as first_name, treat everything after the first token as last_name (preserving compound surnames, middle names, and suffixes intact), and strip honorifics (Dr., Mr., Prof.) and generational suffixes (Jr., III, PhD) that would corrupt the last name field. This workflow applies regex-based name parsing that handles middle names, multi-part surnames (van der Berg, de la Cruz, bin Ibrahim), and common prefixes/suffixes — outputting clean $first_name and $last_name columns ready for Klaviyo, HubSpot, or any ESP.
Why this matters?
A B2B conference organizer with 48,000 annual attendees exported their Eventbrite database and imported it into Klaviyo for post-event nurture campaigns. Using Excel's Text to Columns to split the Full Name field, they assigned middle names as last names for 31% of records — Sarah Jane Mitchell became first: Sarah, last: Jane. The personalization tag {% person 'first_name' %} rendered correctly, but when the team added last-name personalization for VIP segments (Hi Sarah Mitchell, your exclusive...), 14,880 emails displayed 'Hi Sarah Jane, — exposing the broken parsing to attendees who then replied to complain. The campaign's unsubscribe rate hit 0.28% (3x their baseline of 0.09%), and the deliverability team had to pause sending for 5 days to rebuild engagement metrics before their next event announcement.
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