Born: October 6, 1845, Össeby-Garn, Uppland, Sweden.
Died: November 1, 1922, Karlshamn, Sweden.
Wilhelm was the son of organist Wilhelm Oscar Söderberg, and husband of Sigrid Elvira Strömberg.
He studied at the Stockholm conservatory, passed the organist exam in 1867, and graduated in instrumental performance and orchestral conducting in 1870.
He played the organ in Stockholm (1871–73) and taught music in Karlshamn (1873). He taught until 1912, and continued playing the organ until his death.
He was also a founding member of the Karl Hams music company in 1876, and was its first director, 1876–1911.
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