The International Order of Odd Fellows is a worldwide fraternity of brotherhood that cares about its community.  This fraternity is based on the Motto of Friendship, Love and Truth while striving to make the world a better place in which to live. The objective of IOOF is to improve the elevate the character of mankind by providing charity to those less fortunate, scholarships to college students, and fund raisers for special causes.

Gregory Lodge #189 was chartered on November 24, 1908 and  currently has 75 members.  Membership includes both men and women.  The meetings are held every first and third Tuesday evenings at the lodge hall on Hwy 47 and 11th Street.  Annual Fall Round-Up is held in October when state wide new members complete their degree work for membership. 

The Gregory Lodge is well known in the community for providing a concession stand during the 4th of July celebration. 

We also maintain the IOOF Cemetery of Gregory.

At the present time Wayne Bortz,  Gregory lodge member, is Deputy Grand Master of the South Dakota Grand Lodge and will serve as the State Grand Master in 2004.