The surname Lynch is of Irish origin, derived from the Gaelic word 'loingsigh', which means 'speckled' or 'freckled'. It was likely originally an occupational name for a maker of linen or a nickname for someone with a speckled complexion. The Lynch family has a long and distinguished history in Ireland, particularly in Connacht, where the Lynches were hereditary mayors of Galway from the 14th to the late 16th century. Today, Lynch is still prevalent among Irish families and has also spread to other parts of the world through emigration.
"The name Lynch experienced a steady popularity with five births each in the years 1921, 1923, 1924, 1927, and 1936, resulting in a total of twenty-five births during this period."