Title: List of state and territory name etymologies of the United States
Content:  Unknown || Disputed || Disputed meaning. First named by Major Robert Rogers in a petition to King George III. || March 8, 1650 || Welsh and Latin || Penn + silvania || 'Penn's woods', after Admiral William Penn, the father of its founder William Penn. Pennsylvania is the only state that shares part of its name with its founder. The name "Penn" comes from the Welsh word for 'head'. || rowspan=2 | February 3, 1680 || Dutch || roodt eylandt || 'Red island', referring to Aquidneck Island. The Modern Dutch form of the phrase is 'rood eiland'. || November 12, 1687 || 
Title: Penn Lee, Virginia
Content:  Penn Lee took its name from the Penn Lee Coal Co.
Title: History of Pennsylvania
Content:  named the colony Pennsylvania ("Penn's woods" in Latin), after the elder Penn, which the younger Penn found embarrassing, as he feared people would think he had named the colony after himself. Penn landed in North America in October 1682, and founded the colonial capital, Philadelphia, that same year. In addition to English Quakers, Pennsylvania attracted several other ethnic and religious groups, many of whom were fleeing persecution and the religious wars. Welsh Quakers settled a large tract of land north and west of Philadelphia, in what are now Montgomery, Chester, and Delaware counties. This area became known as the "Welsh Tract", and 
Title: Penn, Buckinghamshire
Content:  The name is Brythonic in origin, comparable with the modern Welsh typonym pen, and may mean "hill top" or "end". Penn stands on a strong promontory of the Chiltern Hills. From the tower of Holy Trinity Parish Church, it is claimed to be possible to see into several other counties. The parish contains a Beacon Hill with a signal post on it.
Title: Penna (surname)
Content:  Penna is a surname originating in Italy, in an area known as the Papal States. Since Papal names often denoted place of origin, the Penna family lived in one of several places in Italy named Penna. Its origins are unrelated to the Hispanic surname Peña or Della Peña, though many have adopted the extra n to become Della Penna. Penna is also the surname of many families in India. Their origins are usually in and around Pennariver, in the south of Andhra Pradesh. Penna is also a surname of Cornish origin. At the time of the British Census of 1881, its frequency was highest 
Title: Province of Pennsylvania
Content:  The Province of Pennsylvania, also known as the Pennsylvania Colony, was a British North American colony founded by William Penn after receiving a land grant from Charles II of England in 1681. The name Pennsylvania ("Penn's Woods") refers to William's father, Admiral Sir William Penn. The Province of Pennsylvania was one of the two major Restoration colonies. The proprietary colony's charter remained in the hands of the Penn family until they were ousted by the American Revolution, when the Commonwealth of Pennsylvania was created and became one of the original thirteen states. "The lower counties on Delaware," a separate colony within the province, broke away during the American Revolution as "the Delaware State" and was also one of the original thirteen states. The colony attracted Quakers, Germans, and Scots-Irish frontiersmen. The Lenape promoted peace with the Quakers. However, wars eventually broke out after William Penn and Tamanend were no longer living. Lenape beliefs were demonized by the Quakers even though the latter had come seeking religious freedom in the first place. Philadelphia became a major port and commercial city.
Title: Penn, West Midlands
Content:  "Penn" is probably derived from the Welsh language, signifying a hill or promontory, and is believed to refer to the hill on which St Bartholomew's Church stands. The pre-Anglo-Saxon name may indicate relatively late survival of Celtic-speaking settlement. The area to the east of Penn Road (A449) and around St Bartholomew's church is referred to as Upper Penn, historically also as Penn Over. The village within South Staffordshire, and around St Anne's church is Lower Penn or Penn Under. These historic usages tend to confirm that the name has long been considered to refer to the ridge to the east, which is ascended via Church Hill, Wakeley Hill or Mount Road.
Title: Penn, Pennsylvania
Content:  Penn is a borough in Westmoreland County, Pennsylvania, United States. The population was 475 at the 2010 census. The borough was named for Pennsylvania founder William Penn.
Title: Pennan
Content:  The name Pennan was recorded in 1587 as Pennand. It is possibly derived from the Brittonic element *pen meaning "head, end, promontory" (Welsh pen).
Title: Pensaukee, Wisconsin
Content:  The name Pensaukee is of Menominee origin, reflecting the town's origin as a Menominee settlement. It is derived from pindj-sau-gee 'inside the mouth of a river'. An alternative derivation is from the Menominee word Apāēhsahkyah 'brant goose'.

Question: where does name pennsylvania come from?
Answer: William Penn.