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The First Puerto Rican Senate was the first meeting of senators of the Senate of Puerto Rico elected as part of the legislative branch of their government. Elections for the Senate of Puerto Rico were authorized by passage of the Jones-Shafroth Act in 1917. It authorized elections to be held on July 6, 1917 for representative government in the legislature.

The Senate met from August 13, 1917, to January 2, 1920. The voters elected a majority of members from the Union of Puerto Rico party, who chose Antonio R. Barceló as President of the Senate.

Party summaryEdit

Affiliation Party
(Shading indicates majority caucus)
Union Republican Socialist Vacant
Begin 13 5 1 19 0
Latest voting share 68.4% 38.5%


Position Name Party District
President of the Senate Antonio R. Barceló Union VII
President pro Tempore Eduardo Georgetti Union At-large
Majority Leader Union
Majority Whip Union
Minority Leader Republican
Minority Whip Republican




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