When Agnes Dalton was born on 8 October 1899, in Gladstone, Henderson, Illinois, United States, her father, Lewis Dryason Dalton, was 21 and her mother, Olive Jane O'Conner, was 18. She married Melvin Russell Galbraith on 5 May 1920. They were the parents of at least 4 sons. She lived in Green Bay Township, Lee, Iowa, United States in 1930 and Flint River Township, Des Moines, Iowa, United States in 1940. She died in 1980, at the age of 81, and was buried in Stronghurst, Henderson, Illinois, United States.
English and Irish: habitational name from any of various places called Dalton in Westmorland, Durham, Lancashire, Northumberland, and Yorkshire, from Old English dæl ‘valley’ (see Dale ) + tūn ‘enclosure, settlement’.
History: The surname was taken to Ireland by English traders in the early 13th century .