Margaret Mary Horner 79, of Honolulu, died in Honolulu on December 10, 2019. She was born in New York. SHARE ON FACEBOOK SHARE VIA EMAIL Our deepest condolences to the family and friends of the deceased ADVERTISEMENT Explore more Search Records for Margaret Mary Horner with Ancestry® Discover Margaret Mary Horner Family Story with Ancestry® AncestryDNA® with Traits Discover Details of Your Family History - Search Records with Ancestry® Sponsored by Ancestry