Henry Emerick Parkinson (SN 266) was born in Lillimur, Victoria, and was a Ballarat labourer when he enlisted in the 21st Battalion on January 21st 1915 at the age of 25. His unit embarked from Melbourne on board the Ulysses in May 1915. He survived the Gallipoli campaign and transferred to the 2nd Pioneer Battalion in Egypt before arriving in France in March 1916. He transferred to the 2nd Tunnelling Company in July and was promoted to Lance Corporal in January 1918, although he reverted to the rank of Private at his own request in February. On June 15th 1918 he was killed in action in France and is buried in the Villers-Bretonneux Military Cemetery France.

His brother Clarence was killed in France in 1916 and is also honoured with a tree in the Avenue.