1899 and 1904 City Directories. William Aitken (1847-1929) was born in Scotland and came to America in 1886. The Union Advocate newspaper of April 1, 1904 reported that he and fellow Capitol stone mason N.I. Nelson were serving on a committee of the Stone Masons Union together. Aitkin and his wife, Margaret, raised their seven children in this house. He reported in the 1920 Census that he was still working as a stone mason at the age of 72.