The First State Cannabis Bans — Massachusetts 1911, Not El Paso 1914

Massachusetts banned cannabis in 1911 — four years before El Paso, in a state with virtually no Mexican-American population. The standard story is wrong at its starting point.

The conventional narrative of American cannabis prohibition begins in the US-Mexico borderlands: anxious white communities targeting a drug associated with Mexican laborers. That story is partly true — but it is not where prohibition began, and the Mexican-immigration thesis cannot explain why the earliest bans appeared in New England and the Midwest, not the Southwest.

The corrected chronology, built from legislative records rather than secondary retellings, changes the picture substantially.

Massachusetts, 1911: the actual first ban

May 15, 1911

Massachusetts Chapter 372

Massachusetts becomes the first US state to ban cannabis, adding it to its list of controlled poisons. The legislation passes with no recorded debate about Mexican immigration — because the state has virtually none.

Massachusetts Chapter 372, signed May 15, 1911, banned cannabis alongside morphine and other substances. The state's motivation was rooted not in border anxieties but in the Protestant moral-reform tradition that had already produced the Watch and Ward Society — Boston's censorship organization, which had been policing vice since 1878. The pharmacological concerns were real but secondary to the moral-reform impulse that pervaded Progressive-Era New England.

As George Fisher documented in "Racial Myths of the Cannabis War" (Boston University Law Review, vol. 101, 2021), the Massachusetts ban demolishes any single-cause explanation for American cannabis prohibition. No Mexican immigration wave. No border panic. No Hearst newspapers whipping up hysteria about "marihuana." The Watch and Ward Society's Boston had its own reasons, embedded in a century of Protestant temperance politics.

The corrected chronology

For decades, scholars relied on chronologies that placed El Paso's municipal ban in 1914. Bonnie and Whitebread's influential The Marihuana Conviction (1974) cited a USDA report that was itself misdated. The corrected sequence, verified against state session laws, is:

1911

Massachusetts

Chapter 372. First state-level cannabis ban in the United States.

1913

California, Indiana, Maine, Wyoming

Four states ban cannabis in a single year. California's ban fits the border-anxiety thesis; Maine's does not.

1914

New York City

Municipal regulation, not a state ban. NYC's action preceded El Paso's by roughly a year.

1915

Utah, Vermont, El Paso TX

El Paso's municipal ordinance — long cited as 1914 — actually dates to June 1915. Utah and Vermont acted the same year.

1917

Colorado, Nevada

Western states join the expanding patchwork of bans.

1919

Texas

Texas bans cannabis statewide — four years after El Paso's municipal ordinance.

1924

Louisiana

Louisiana bans cannabis, citing concerns about use among Black populations in New Orleans.

1927

New York State

New York expands its 1914 municipal regulation to a statewide ban.

1932

Uniform State Narcotic Drug Act

The model act recommended by the National Conference of Commissioners on Uniform State Laws includes optional cannabis provisions. Adoption accelerates state-by-state prohibition.

1937

All states have some form of cannabis restriction

By the time the federal Marihuana Tax Act passes, every state has already acted — the federal law follows, rather than leads, state-level prohibition.

The Mexican-immigration thesis: partly right

The Mexican-immigration thesis is not wrong — it is incomplete. In the southwestern states, the correlation between anti-Mexican sentiment and cannabis bans is well documented. California, Texas, and Colorado all enacted restrictions in a context of racialized anxiety about Mexican laborers. Newspaper coverage in these states routinely associated "marihuana" with Mexican immigrants and, by extension, with violence and sexual deviance.

But this explanation fails entirely for Massachusetts (1911), Maine (1913), Vermont (1915), and other northeastern states where Mexican-American populations were statistically negligible. These bans emerged from a different reform tradition: the same Protestant moral networks that had produced alcohol temperance, anti-vice societies, and pharmacy regulation. Cannabis was swept into the Progressive Era's broad campaign to regulate intoxicants, not targeted because of any specific ethnic panic.

Common claimCannabis was first banned in El Paso in 1914, driven by anti-Mexican sentiment along the border.

What the evidence showsMassachusetts banned cannabis in 1911, three years before NYC and four years before El Paso (which was June 1915, not 1914). The El Paso date was wrong in the standard literature, based on a misdated USDA report used by Bonnie and Whitebread. — Fisher, "Racial Myths of the Cannabis War," BU Law Rev 101 (2021); Bonnie & Whitebread, The Marihuana Conviction (1974)

The Utah Mormon myth

A persistent popular claim holds that Utah banned cannabis because Mormon missionaries returning from Mexico brought the practice back and church elders moved to suppress it. This claim circulates widely online and in cannabis-culture media.

Common claimUtah was the first state to ban cannabis because Mormon missionaries returning from Mexico brought marijuana use back to Salt Lake City.

What the evidence showsUtah banned cannabis in 1915 — four years after Massachusetts and two years after California, Indiana, Maine, and Wyoming. Utah was not first. The missionary-return story was investigated and debunked by Mormon historian Ardis Parshall in 2009, who found no primary-source evidence supporting the claim. — Ardis Parshall, 2009 research; Utah session laws, 1915

What the chronology tells us

The state-by-state pattern reveals that American cannabis prohibition was not a single movement with a single cause. It was a convergence of at least three distinct impulses:

Protestant moral reform — Northeastern states acting within a temperance-and-vice framework that predated any concern about Mexican immigration.
Racialized border anxiety — Southwestern states targeting a drug associated with Mexican laborers, using the unfamiliar Spanish-derived term "marihuana" to sever the connection to familiar medical "cannabis."
Pharmaceutical regulation — Progressive-Era pharmacy boards standardizing control over patent medicines and intoxicants, with cannabis caught in a broader regulatory sweep.

By the time Harry Anslinger and the Federal Bureau of Narcotics entered the picture in 1930, most states had already acted. The federal campaign did not create prohibition — it nationalized and hardened a patchwork of state-level restrictions that had been building for two decades.