# 119-s-1147: Defining Male and Female Act of 2025

119-s-1147, Defining Male and Female Act of 2025, is a 119th Congress bill sponsored by Sen. Marshall, Roger [R-KS] (R-KS); status introduced (as of 2026-08-11).

- Canonical: https://policyrisk.com/legislation/119-s-1147
- As of: 2026-08-11
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: 119-s-1147
- Congress: 119
- Title: Defining Male and Female Act of 2025
- Status: introduced
- Introduced: 2025-03-26
- Sponsor: Sen. Marshall, Roger [R-KS] (R-KS)
- Cosponsors: 5
- Policy area: Civil Rights and Liberties, Minority Issues
- Touches household money: no
- Last recorded action: 2026-08-11

## Summary

**This bill would set immutable biological definitions of 'male' and 'female' for federal law.** It would also specify that the Federal Government would not recognize 'gender identity' as a replacement for sex. - Sets specific labels for families and age groups by biology. It defines 'mother', 'father', 'boy', 'girl', 'man', and 'woman' using the bill's biological terms. - Defines 'male' and 'female' for natural persons by reproductive function at conception, tying males to sperm production and females to egg production. - Makes these definitions the reference point for interpreting sex across federal statutes and agencies.

## Cosponsors (5)

- Sen. Cassidy, Bill [R-LA] (R-LA), 2025-03-26T00:00:00.000Z
- Sen. Sheehy, Tim [R-MT] (R-MT), 2025-03-26T00:00:00.000Z
- Sen. Hyde-Smith, Cindy [R-MS] (R-MS), 2025-03-26T00:00:00.000Z
- Sen. Ricketts, Pete [R-NE] (R-NE), 2025-03-26T00:00:00.000Z
- Sen. Risch, James E. [R-ID] (R-ID), 2025-04-04T00:00:00.000Z

## Provisions PRIA read

- New federal sex and gender definitions: mixed, high. If enacted, the bill would add specific federal definitions for sex and related words. The bill would tell agencies and courts to use these definitions when reading any Act of Congress, regulation, or agency rule. It would define boy as a minor male and girl as a minor female, and man and woman as…

## Related bills

- 119-s-292: Educational Choice for Children Act of 2025
- 119-s-3752: SAVE America Act
- 119-s-4744: Take Care of America’s Veterans Act
- 119-s-1162: SHORT Act
- 119-s-401: Fair Access to Banking Act
- 119-s-84: Sarah's Law

## Sources
- [119-s-1147 on Congress.gov](https://www.congress.gov/bill/119th-congress/senate-bill/1147)

## Related
- [119-s-292: Educational Choice for Children Act of 2025](https://policyrisk.com/legislation/119-s-292)
- [119-s-3752: SAVE America Act](https://policyrisk.com/legislation/119-s-3752)
- [119-s-4744: Take Care of America’s Veterans Act](https://policyrisk.com/legislation/119-s-4744)
- [119-s-1162: SHORT Act](https://policyrisk.com/legislation/119-s-1162)
- [119-s-401: Fair Access to Banking Act](https://policyrisk.com/legislation/119-s-401)
- [119-s-84: Sarah's Law](https://policyrisk.com/legislation/119-s-84)
- [All bills in Congress](https://policyrisk.com/legislation)

Source: PRIA, https://policyrisk.com/legislation/119-s-1147 (as of 2026-08-11).