What about Lucia or Lucille as alternatives to Lucinda (I prefer Lucinda). If you and your husband like it I don't think you should let your family put you off it.
However, what about Chloe and:
Amy, Anna, Ayla, Amber, Amelia, Abigail, Alexis, Ariel, Alana, Astrid, Bethan, Brooke, Bella, Daisy, Dana, Emma, Ella, Eva, Erin, Erica, Eden, Ebony, Esther, Elise, Freya, Faith, Flora, Grace, Georgia, Giselle, Hannah, Holly, Hayley, Harriet, Hope, Isla, India, Isabel, Imogen, Isis, Jade, Jasmine, Jessica, Julia, Juliet, Katie, Kathryn, Katelyn, Kayla, Kayleigh, Lauren, Lily, Layla, Leah, Lois, Lydia, Louise, Miriam, Madison, Melissa, Megan, Nicole, Natalie, Nina, Olivia, Paige, Phoebe, Poppy, Pippa, Rebecca, Rosie, Sarah, Sophie, Sadie, Sasha, Thea, Tegan, Verity, Willa, Xanthe, Yasmin, Zara, Zia.