The roster lists his last name as "Dougle". It is Dowdle. He and his brother traveled with the Clarks in the Snow Company. He married Esther Ellsworth in 1863. They divorced in 1876 and she retained custody of their six children. He died in Oneida, Idaho. The date recorded in the journal of Nathaniel Pitt Langford was 17 Sep 1877 for William Dowdle's death and burial.
Birth date and death date listed were found in a personal, online family history record (such as Family Tree, Ancestry, or My Heritage) without any accompanying documentation. Further research is needed to verify its accuracy.