The donation continues the Eastern Star’s long history of generosity to OMRF, with gifts totaling $382,424.
OMRF has received the highest possible rating from Charity Navigator for the 17th time.
Established in 2015, the Loyal Donors Society recognizes those who have made donations to OMRF for at least five straight years.
The funds were raised at Rainbolt’s 90th birthday party, which included a private concert by country music legend Willie Nelson.
The 11th annual Putnam City Cancer Classic will take place on Nov. 3 at Wheeler Park on the Oklahoma River.
This is the 16th time OMRF has received a four-star designation from Charity Navigator.