Gilbert is survived by his wife of 50 years, Angelina Matthews, his sons Brian Wayne Matthews, Farron Grant Matthews, William Gabriel Matthews, and Gill Leonardo Matthews. He leaves behind 6 grandchildren, and 2 great grandchildren.
Gilbert was a true lover of nature and all living creatures, he found peace in the outdoors and joy in feeding birds. In quieter moments, Gilbert enjoyed watching classic Western movies finding comfort in their timeless stories.