Skip to content
elect.link
Latest
Allupdates
R Republican · U.S. Senate, Massachusetts · Nov 3, 2026

John
Deaton

Republican attorney John Deaton challenges incumbent Sen. Ed Markey for Massachusetts U.S. Senate seat in 2026

Researched checked 7 d ago
sources
21
positions
10
endorsements
4
johndeatonforsenate.com ↗(opens in a new tab) X(opens in a new tab)YouTube(opens in a new tab)Facebook(opens in a new tab)Instagram(opens in a new tab)
Opponents Edward J. Markey D+ 2 more Compare race →

Background

John Deaton is a Republican candidate for U.S. Senate in Massachusetts, challenging incumbent Democratic Senator Ed Markey in the November 3, 2026 election. He won the Republican primary on September 1, 2026. 120

Deaton was born and raised in Highland Park, Michigan, and now lives in Bolton, Massachusetts. He graduated magna cum laude from Eastern Michigan University and earned a J.D. cum laude from New England School of Law in Boston in 1995. 821

Before entering politics, Deaton served as a U.S. Marine Corps judge advocate, serving as both defense counsel and chief prosecutor, and as a Special Assistant U.S. Attorney for the District of Arizona. After leaving the Marines, he worked in asbestos litigation before founding the Deaton Law Firm in 2006, where he serves as managing partner and represents mesothelioma and cancer victims. 821

Deaton previously ran for U.S. Senate in 2024, challenging then-incumbent Senator Elizabeth Warren in Rhode Island, before launching his 2026 Massachusetts campaign. He has no prior elected office. 5620

At a glance

Party
Republican
Running for
U.S. Senate, Massachusetts
Election
Nov 3, 2026
Current office
Managing Partner, Deaton Law Firm; Republican nominee for U.S. Senate (Massachusetts, 2026)
Website
johndeatonforsenate.com(opens in a new tab)

Where they stand

Each position links to the page it was drawn from. Quotes are verbatim.

Timeline

  1. Oct 11
    debate
    Markey–Deaton debate scheduled for October 13 listed on Massachusetts political calendar

    A Massachusetts political calendar published by State House News Service listed a Markey–Deaton debate for October 13. Not all four debate invitations Deaton accepted were confirmed to be taking place by this date.

    Advances - A look at the week of Oct. 11, 2026 · Oct 9, 2026 (opens in a new tab)
  2. Oct 5
    news
    Deaton outlines immigration stance: reform ICE, DACA pathways, state-federal deportation partnerships

    In an interview with the New Bedford Light, Deaton backed state-federal partnerships to deport people convicted of crimes, pathways to citizenship for DACA recipients, and reforming rather than abolishing ICE.

    GOP Senate candidate Deaton: 'I'm a true independent voice' · Oct 5, 2026 (opens in a new tab)
  3. Oct 2
    news
    Deaton tours Burlington ICE facility, defends conditions

    Deaton toured the ICE facility in Burlington and described its conditions as 'better than your typical jail.' He said he wanted firsthand knowledge before debating Markey, and opposed abolishing ICE while calling for its reform.

    Republican Senate candidate tours Burlington ICE facility · Oct 2, 2026 (opens in a new tab)
  4. Oct 2
    controversy
    Deaton sends billboard truck to Markey's Maryland home over debate cancellation

    Deaton sent a truck with a video message to Markey's home in Chevy Chase, Maryland, calling on Markey to explain why he backed out of one of two scheduled debates. The candidates were still slated to debate on WBZ-TV on October 13.

    Deaton trolls Markey at Maryland home with billboard truck · Oct 2, 2026 (opens in a new tab)
  5. Oct 1
    news
    Deaton calls on Markey to back common-sense nuclear policy at New England summit

    Deaton issued a campaign statement calling on Sen. Markey to support what Deaton described as 'common-sense nuclear policy,' responding to a New England energy summit hosted by Gov. Healey in Lowell.

    Deaton: Markey Should Back Common-Sense Nuclear Policy as Healey Hosts New England Summit in Lowell · Oct 1, 2026 (opens in a new tab)
  6. Sep 25
    endorsement
    New England Police Benevolent Association endorses John Deaton for Senate

    The NEPBA announced its endorsement of Republican Senate candidate John Deaton for U.S. Senate in Massachusetts.

    NEPBA Endorses John Deaton for U.S. Senate · Oct 8, 2026 (opens in a new tab)
  7. Sep 24
    debate
    Deaton accepts four TV debate invitations, calls for Western Mass debate

    Deaton's campaign announced he accepted debate invitations from WWLP-22News, Boston 25, WCVB, and WBZ, saying 'Yes. All four. Immediately.' He also argued that a debate in Western Massachusetts should be included.

    Western Mass Deserves Debates Before the Ballots Go Out · Sep 24, 2026 (opens in a new tab)
  8. Sep 24
    news
    Deaton issues statement on U.S. Senate's failure to advance the Clarity Act

    Deaton released a statement responding to the U.S. Senate's failure to advance the Clarity Act, as noted on his campaign website.

    John Deaton Statement on U.S. Senates Failure to ... · Sep 24, 2026 (opens in a new tab)
  9. Sep 24
    poll
    UNH poll shows Markey leading Deaton 53% to 30%

    The UNH Survey Center poll, conducted September 17–21 among 564 likely voters, showed Markey with a comfortable lead of 53% to 30%, with a 4.1-point margin of error. The result was described as largely unchanged from August.

    Republican John Deaton trails Democrat Ed Markey in latest New England Senate survey · Sep 24, 2026 (opens in a new tab)
  10. Sep 20
    news
    Official Massachusetts primary results confirmed

    Official results from the September 1 primary were reported, confirming Deaton as the Republican nominee for the U.S. Senate seat in Massachusetts.

    Who won on Cape Cod? Final election results from Sept. 1 primary. · Sep 20, 2026 (opens in a new tab)
  11. Sep 14
    poll
    MassINC poll shows Markey leading Deaton 52% to 26%

    A MassINC Polling Group survey of 800 likely voters, fielded September 14–22, reported Markey at 52% and Deaton at 26%.

    2026 Massachusetts U.S. Senate Election: Polls, Candidates ... · Sep 14, 2026 (opens in a new tab)
  12. Sep 1
    filing
    Deaton wins Republican primary unopposed, advances to general election

    Deaton ran unopposed in the September 1 Republican primary and advanced to the general election. Official results were reported on September 20. Markey won the Democratic primary against Rep. Seth Moulton.

    Who won on Cape Cod? Final election results from Sept. 1 primary. · Sep 20, 2026 (opens in a new tab)

Endorsements

  • New England Police Benevolent Association (NEPBA) union
    NEPBA announced its endorsement of John Deaton for U.S. Senate in Massachusetts. nepba.org · Sep 25, 2026
  • Log Cabin Republicans PAC organization
    The PAC listed Deaton among its endorsed candidates in its fourth round of 2026 endorsements. logcabin.org · Aug 4, 2026
  • Massachusetts Republican Party (convention) organization
    At the MassGOP convention, Deaton was nominated and endorsed by acclamation for the U.S. Senate race. bostonherald.com · Apr 25, 2026
  • Massachusetts Republican Party (state committee) organization
    The party's state committee voted to back Deaton for the 2026 Senate race; endorsement reaffirmed by acclamation at the April 25, 2026 party convention. bostonglobe.com · Nov 20, 2025

Campaign finance

Totals filed with the Federal Election Commission for the 2026 election cycle.

Raised
$1.56M
Spent
$849K
Cash on hand
$712K

As of Aug 12, 2026. Filings are periodic, so recent money may not be included yet. ↳ FEC record S6MA00304(opens in a new tab)

Sources 21

  1. [1] Advances - A look at the week of Oct. 11, 2026(opens in a new tab) Oct 9, 2026
  2. [2] NEPBA Endorses John Deaton for U.S. Senate(opens in a new tab) Oct 8, 2026
  3. [3] John Deaton (R) – Massachusetts Senate 2026 | Smarter.Vote(opens in a new tab) Oct 7, 2026
  4. [4] GOP Senate candidate Deaton: 'I'm a true independent voice'(opens in a new tab) Oct 5, 2026
  5. [5] Issues | John Deaton for U.S. Senate(opens in a new tab) Oct 3, 2026
  6. [6] Deaton trolls Markey at Maryland home with billboard truck(opens in a new tab) Oct 2, 2026
  7. [7] Republican Senate candidate tours Burlington ICE facility(opens in a new tab) Oct 2, 2026
  8. [8] Deaton: Markey Should Back Common-Sense Nuclear Policy as Healey Hosts New England Summit in Lowell(opens in a new tab) Oct 1, 2026
  9. [9] Republican John Deaton urges voters to look past his party ...(opens in a new tab) Oct 1, 2026
  10. [10] Deaton pitches himself as independent voice - Cambridge Day(opens in a new tab) Sep 25, 2026
  11. [11] John Deaton Statement on U.S. Senates Failure to ...(opens in a new tab) Sep 24, 2026
  12. [12] Republican John Deaton trails Democrat Ed Markey in latest New England Senate survey(opens in a new tab) Sep 24, 2026
  13. [13] Western Mass Deserves Debates Before the Ballots Go Out(opens in a new tab) Sep 24, 2026
  14. [14] Who won on Cape Cod? Final election results from Sept. 1 primary.(opens in a new tab) Sep 20, 2026
  15. [15] 2026 Massachusetts U.S. Senate Election: Polls, Candidates ...(opens in a new tab) Sep 14, 2026
  16. [16] Opinion | Interview with Senate candidate John Deaton(opens in a new tab) Aug 20, 2026
  17. [17] Log Cabin Republicans PAC Announces Fourth Round of ...(opens in a new tab) Aug 4, 2026
  18. [18] The Scope's conversation with Senate candidate John Deaton(opens in a new tab) Jun 30, 2026
  19. [19] Deaton Unveils ‘Skills First Act’ to Deliver Debt-Free Trades to Massachusetts’ Non-College Majority(opens in a new tab) Jun 25, 2026
  20. [20] Minogue, Brensley win GOP endorsements for Gov., Lt. Gov. in landslide victories(opens in a new tab) Apr 25, 2026
  21. [21] Mass. GOP endorses Deaton in repeat US Senate bid(opens in a new tab) Nov 20, 2025
Are you John Deaton?
Claim this page to add a statement to voters and correct your details.
Sign in to claim
elect.link

Candidate pages are assembled automatically from public web sources. Every claim links to where it came from. Nonpartisan; no endorsements. Candidates can claim their page to add a statement and corrections.