He was born in Chicago, Illinois, a son of Harry Dahlbruck, a musician, and Jennie McGuire.
He was working as an actor in Davenport, Iowa, in 1910, living with his sister Ruth and his mother Jennie.
His sister Ruth was an extra in movies and in the television series Gunsmoke and Garrison's Gorillas.
Sid's large collection of movie material was donated to the County of Los Angeles Hollywood Museum after his death by his sister Ruth, in 1962.
This article about a United States film actor born in the 1880s is a stub.