Got some great ideas from my last posting...thanks everyone!
Here's my attempt at a shortlist:
Elizabeth Harriet (Beth)
Katherine Harriet (Kate)
Fleur Harriet
Anya Harriet
Martha Harriet
Ellen Harriet
Emma Harriet
Lydia Harriet
Megan Harriet
Anna Harriet
Surname is 2 syllables and sounds a bit like Warmsea!
Any loves...hates...alternatives please?