Iris S. Osborn of Wainscott died in her sleep at home on Monday morning. She was 87. A wake will be held from 5 to 8 p.m. on April 30 at the Yardley and Pino Funeral Home in East Hampton. A graveside service will take place at 1 p.m. the next day at Wainscott Cemetery, with a reception to follow at the Wainscott Chapel. An obituary will appear in a future issue.