Renewal searches were done in publications for the years 1958 and 1959. There were no listings for the title Motion Picture Herald. There's no evidence of continuing copyright on the magazine.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
{{Information |Description=Photo of organist Con Maffie in 1931. |Source=[http://archive.org/stream/motionpictureher103unse#page/n1513/mode/2up Motion Picture Herald] page 48 |Date=[http://archive.org/stream/motionpictureher103unse#page/n1513/mode/2up...