North Kesteven District Councillor Jim Cook has died peacefully in his sleep, aged 70, in the early hours of Monday morning.
He is survived by his partner Bernice, three daughters Anna, Emma and Leah and a son Adam.
A member of the NK Independent group on the authority, Coun Cook was elected as the district ward councillor for Osbournby in 2007 and was re-elected again in 2011.
Over this period he served on numerous committees of the council such as Planning, Overview and Scrutiny and the Audit Committee.
Coun Cook, who lived in North Street, Osbournby, was an Osbournby parish councillor for over 30 years.
NKDC Leader Coun Marion Brighton said: “Coun Cook was a much-respected and well-liked councillor. He always put the interests of his community first, and it was a pleasure to have served with him on the council over the years.”