---
type: "Bill"
title: "AN ACT PROHIBITING FIRST COUSIN MARRIAGE."
description: "AN ACT PROHIBITING FIRST COUSIN MARRIAGE."
jurisdiction: "us/states/ct"
legislature: "Connecticut General Assembly"
session: "2025"
identifier: "HB 6918"
citation: "Connecticut HB 6918 (2025)"
classification: ["bill"]
subjects: ["Marriage"]
status: "enacted"
primary_sponsors: []
version_count: 4
action_count: 18
vote_count: 2
first_action: "2025-02-10"
last_action: "2025-06-23"
source: "openstates"
source_identifier: "ocd-bill/cb8a937a-620a-4b4f-867c-7efcbed9ee77"
source_url: "ftp://ftp.cga.ct.gov/pub/data/bill_info.csv"
source_hash: "0771409a5bd9c00d4db89e3e274eec205ba5c5b882a24ff919dbd06034f6f75d"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-ct"]
---

# Connecticut HB 6918 (2025) — AN ACT PROHIBITING FIRST COUSIN MARRIAGE.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **File No. 728** (committee substitute) — [source](https://www.cga.ct.gov/2025/FC/PDF/2025HB-06918-R000728-FC.PDF)
2. **JUD Joint Favorable Substitute** (committee substitute) — [source](https://www.cga.ct.gov/2025/TOB/H/PDF/2025HB-06918-R01-HB.PDF)
3. **Public Act No. 25-72** (committee substitute) — [source](https://www.cga.ct.gov/2025/ACT/PA/PDF/2025PA-00072-R00HB-06918-PA.PDF)
4. **Raised Bill** (committee substitute) — [source](https://www.cga.ct.gov/2025/TOB/H/PDF/2025HB-06918-R00-HB.PDF)

## Votes

- House Roll Call Vote — **139–0** (pass) · lower
- Senate Roll Call Vote — **36–0** (pass) · upper

## Timeline

The legislative action history — every referral, reading, and vote.

- **2025-02-10** REF. TO JOINT COMM. ON Judiciary `referral-committee`
- **2025-02-26** PUBLIC HEARING 0303
- **2025-04-04** Joint Favorable Substitute `committee-passage-favorable`
- **2025-04-07** FILED WITH LCO `filing`
- **2025-04-11** REFERRED TO Office of Legislative Research AND Office of Fiscal Analysis 04/16/25 `referral`
- **2025-04-17** RPTD. OUT OF LCO
- **2025-04-17** FAV. RPT., TABLED FOR HOUSE CALENDAR `reading-2`
- **2025-04-17** HOUSE CALENDAR NUMBER 463
- **2025-04-17** FILE NO. 728
- **2025-05-15** HOUSE PASSED `passage`
- **2025-05-19** FAV. RPT., TAB. FOR CAL., SEN. `reading-2`
- **2025-05-19** SENATE CALENDAR NUMBER 513
- **2025-06-02** SENATE PASSED `passage`
- **2025-06-02** ON CONSENT CALENDAR /IN CONCURRENCE
- **2025-06-10** PUBLIC ACT 25-72
- **2025-06-16** TRANSMITTED TO SECRETARY OF THE STATE
- **2025-06-16** TRANSMITTED BY SECRETARY OF THE STATE TO GOVERNOR `executive-receipt`
- **2025-06-23** SIGNED BY GOVERNOR `executive-signature`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/cb8a937a-620a-4b4f-867c-7efcbed9ee77`. Confidence: reported (aggregated from official Connecticut legislature records).