William Curtiss Tolliday is the 4th child of John Curtis and Sarah Elizabeth Tolliday (nee Miles). He is their 2nd son and one of eleven children.

The family consists of -

Fanny Sarah born 1852
Eva born 1854
John Robert born 1856
William Curtiss born 19th August 1858
Alfred John born 1860
Charles born 1862
Robert Porcher born 1865
Sarah Elizabeth born 1867
Ernest Montague born 1869
Jane Elizabeth born 1872
Albert born 1874

John and Sarah immigrated to Australia with their two daughters Fanny and Eva along with John's mother Jane Curtis Tolliday, his brother William his two sisters Elizabeth and Christiana. Also travelling on the sailing ship the Bristish Empire were Elizabeth's husband Charles Jonas Clark and their infant daughter Jane. They arrived in January 1855 at Port Henry in Victoria.

William was born three and half years later at Geelong on 19th August 1858. The Birth Registration Number is 2712.

William married Jeannie Lindsay on 16th November 1887 aged 29. They had three daughters.

Florence Genevieve born 1887. Married Robert Arthur Williams in 1909. Florence passed away in 1974 in Sale.

Myrtle Eveline Lindsay born 1893. Married a Mr Phillips. Myrtle passed away in 1954.

Ruby Muriel Myles born 1900. Married Leslie Cula 14th October 1929.

William passed away at Sale aged 73 on 21st April 1932. The Death Registration Number 7466.

Jeannie was born on July 1st 1862 at Ayreshire and passed away aged 53 in 1917 at Sale. The Death Registration Number 2910.

Two marriage Numbers 1286 and 1887.