David W. Hannig, 83, of Cazenovia passed away Wednesday, October 21, 2026. He was born May 12, 1943 in Syracuse to Walter and Ruth Hannig and was a graduate of Central Tech High School. Dave was a New York State Licensed Land Surveyor and the owner of DW Hannig LSPC in Manlius. He was a member of the National Association of Land Surveyors, the CNY Sports Car Club of America and served his community on the Town of Cazenovia Planning Board until 1985. Dave was an avid woodworker, enjoyed tending to his yard and spending time boating and fishing. He was the Captain of the charter boat named “Surveyor” that was docked in Oswego that went on many fishing excursions on Lake Ontario.

       He is survived by his daughters, Michele Hannig of Chittenango and Becky (Chris) McDonough of Clay; his twin brother, Walter (Marilyn) Hannig of Auburn and by his four grandchildren, Sarah, Julia, David and Jack. In addition to his parents, David was predeceased by his wife of 43 years, Marion Hannig.

       Services will be held at a later date. Contributions in Dave’s memory may be made to New York State Association of Professional Land Surveyors Scholarship Fund online at info@nysapls.org or by calling 518-432-4046 for further information. Condolences for the family may be shared at www.michaelebrownfuneralservices.com.