Jenner Township, Somerset County, Pennsylvania named in honor of Dr. Edward Jenner, discoverer of the smallpox vaccine. Early Jenner Township settlers were primarily German and English speakers engaged in agriculture. Pennsylvania Dutch was still spoken in rural parts of the township until the 1960s. Jenner Crossroads, the township's first substantial European settlement, grew near a grist mill and tavern stop established about 1800 along the Pennsylvania Road. Samuel Steel built a sawmill at Jenner Crossroads in 1817; John Shopwood opened a hotel in 1825, and Samuel Elder opened the first store in 1836 Other early industry in the township included a sawmill on Quemahoning Creek
Robert Francis Jenner of 18. On 10 August 1824 Jenner married Elizabeth Lascelles (died 29 September 1850), eldest daughter of Sir Herbert Jenner-Fust, Dean of Arches. She was his double first cousin. They had ten sons and five daughters. One of the daughters, Emma, wrote of her mother: "She always thought the year wasted if there was not a new baby born." Jenner resided in Wenvoe Castle, and was a Justice of the Peace and Deputy Lieutenant for Glamorgan. In 1828 he was appointed High Sheriff of Glamorgan. Jenner was patron of St Mary's Church in the village of Jenner. Robert Francis Jenner