Pennsylvania had the most signers to the U.S. Constitution, with eight delegates signing the document on September 17, 1787.

The 39 signatures were grouped by state, but Pennsylvania’s line was the longest, reflecting its large and influential delegation in the Constitutional Convention.

Quick Scoop: Why Pennsylvania?

  • Pennsylvania sent one of the largest delegations to the Constitutional Convention, and many of its delegates stayed through to the end and signed.
  • The state was a political and economic powerhouse in 1787, hosting the convention in Philadelphia’s Independence Hall.
  • Famous Pennsylvanian signers include Benjamin Franklin, James Wilson, and Gouverneur Morris.

Mini context: How many signed overall?

  • 55 delegates attended the convention at various times.
  • Only 39 delegates actually signed the Constitution.
  • Rhode Island had no signers because it refused to send delegates.

Bottom note: Information gathered from public forums or data available on the internet and portrayed here.