How the red Pegasus soared into Dallas petroleum history.


The Mobil Oil Pegasus perched atop the Magnolia Petroleum building in Dallas from 1934 until 1999, when rust and growing structural issues forced its removal. On the first day of 2000, a carefully crafted duplicate returned to the Dallas skyline.

Thanks to its widespread popularity, Mobil Oil’s high-flying trademark returned to its Texas home with one red Pegasus on each side of a sign painstakingly recreated by the American Porcelain Enamel Company. As the year 1999 drew to a close, the duplicated red Pegasus soared again. 

Detail of Mobil trademark Pegasus neon sign.

The rotating 35-foot by 40-foot Pegasus sign first beamed its red neon glow above a Dallas hotel in 1934.

A Dallas hotel would later restore the original Mobil Oil Pegasus after finding its rusted remains in a city-owned shed. The Omni Dallas Hotel funded the restoration, and in 2015 the surviving red neon-edged symbol — a one-sided version — was re-lit in front of the Omni on Lamar Street.

The Mobil Oil (now ExxonMobil) trademark has been a feature of Dallas since first welcoming attendees to a 1934 convention of petroleum company executives.

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The Magnolia building’s red Pegasus has remained one of the most recognizable corporate symbols in American history, and a marketing rival of the Sinclair dinosaur.

Magnolia Petroleum

When the 400-foot-tall Magnolia Petroleum building opened in 1922, it was the city’s first skyscraper — and tallest building west of the Mississippi River. With 29 floors and seven elevators, the Magnolia building towered over the nearby Adolphus Hotel, built in 1913.

The Magnolia building’s multimillion dollar construction featured a “modified classical design” by a well known architect from the United Kingdom. The Texas Historic Historical Commission in 1978 placed a marker at Commerce and Akard streets noting:

Erected in 1921-22, this building housed the offices of Magnolia Petroleum Co., later Mobil Oil Co. It was designed by Sir Alfred C. Bossom (1881-1965), noted British architect, and built at a cost of $4 million. The tallest structure in Dallas for almost 20 years, it reflected the city’s increasing economic importance. In 1934 a revolving neon sign was placed atop the building. The “Flying Red Horse,” trademark for Magnolia products, quickly became a local landmark.

Postcard of Magnolia Building in Dallas with red Pegasus logo.

Vacuum Oil Company trademarked the Pegasus logo in 1911 and by the 1930s was marketing Pegasus Motor Spirits and Mobiloil. The Magnolia Petroleum building, completed in 1922, was “a great peg driven into the ground holding Dallas in its place.” Pegasus landed atop the building in 1934 — in time for the first annual meeting of the American Petroleum Institute.

The Magnolia building also was the first high-rise in the United States to have air conditioning, according to the management company that acquired it in 1997. A fully restored lobby features a gold leaf decorative plaster and original elevator doors engraved with the Pegasus logo.

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Much of the original architecture’s classical design has been restored, according to the Magnolia Dallas Downtown a boutique hotel blending the historic building’s past with modern amenities.

high-flying trademark

An 11-foot Mobil Oil Pegasus displayed at the 1939 New York World’s Fair found its way to a Mobil service station in Casa Linda, Texas, and later to a Dallas County museum. 

After the Magnolia building’s 1922 opening, a local reporter described the oil company headquarters building as “a great peg driven into the ground holding Dallas in its place.”

A circa 1935 postcard given to visitors of observatory tower of the Magnolia Building, courtesy DeGolyer Library, Southern Methodist University, digital collections.

A circa 1935 Dallas skyline postcard given to visitors to the observatory tower in the Magnolia Building. Image courtesy DeGolyer Library, Southern Methodist University, digital collection.

When Standard Oil Company of New York (Socony) acquired the Magnolia Petroleum Company in 1925, the building was part of the deal. Nine years later, the two-sided Pegasus sign would land on its roof.

Pegasus takes Flight

The Mobil Oil Pegasus began its journey in 1911, when a Vacuum Oil Company subsidiary in Cape Town, South Africa, first trademarked the Pegasus logo. Based in Rochester, New York, Vacuum Oil had built a successful petroleum lubricants business around an 1869 patent by its founder, Hiram Everest, long before gasoline was even a branded product.

Vacuum Oil Company's products used this gargoyle Mobiloil logo.

Vacuum Oil Company’s products used a gargoyle prior to adopting the winged horse of mythology.

At first, a stylized red gargoyle advertised the company, which produced early petroleum-based lubricants for horse-drawn carriages and steam engines. The Pegasus trademark proved to be a more enduring image. In Greek mythology, Pegasus – a winged horse – carried thunderbolts for Zeus.

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By 1931, growth of the automobile industry expanded the Vacuum Oil product lineup to include Pegasus Spirits and Mobilgas – later simplified to Mobil. When Standard Oil of New York and Vacuum Oil combined to form Socony-Vacuum Oil Company, the new company adopted the familiar winged trademark, as did an affiliate, Magnolia Petroleum.

Certificate from Cape Town, South Africa, for Vacuum Oil Company of South Africa Limited.

The certificate from Cape Town, South Africa, notes that the “Vacuum Oil Company of South Africa Limited” is named “as proprietor of the Trade Mark represented above.” Image courtesy ExxonMobil Historical Collection/Center for American History, University of Texas, Austin.

It took a year to build the rotating 35-foot by 40-foot Pegasus sign, which beamed a red neon glow in 1934 to welcome the first annual meeting to be held in Dallas by the American Petroleum Institute (API). For decades the emblem slowly rotated above the growing city as corporate consolidations and mergers changed Socony-Vacuum ownership.

In 1955, the name of the company changed to Socony Mobil Oil; in 1966 became just Mobil Oil. A neon Mobil Oil Pegasus displayed at the 1939 New York World’s Fair found its way to a Mobil gas station in Casa Linda, Texas, and later to the Old Red Museum of Dallas County History & Culture. The museum was closed by 2024, when its historic building — the original Dallas County Courthouse — became home to the Texas Fifth Circuit Court of Appeals.

A New Pegasus

In 1974 the petroleum icon’s motor ground to a halt. Mobile Oil moved out of the Magnolia building three years later and sold the aging skyscraper and glowing but unmoving sign to the city of Dallas. Twenty-years later, Pegasus’ neon lights finally went out.

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As a Denver-based developer restored and transformed the deteriorating Magnolia building into a luxurious 330 room hotel in the late 1990s, a group of patrons and corporate partners joined in to bring the broken and rusty Pegasus sign back to life. They raised more than $600,000 for the project.

The Project Pegasus team targeted New Year’s Eve of 1999 to reintroduce Dallas citizens to their petroleum heritage landmark. Restoration of the 8,000-pound sign proved challenging.

The derrick-like tower structure was reparable and the old mechanical rotation system could be updated with new technology.

high-flying trademark

A view of Pegasus in photographer Carolyn Brown’s 2004 book, Dallas: Where Dreams Come True.

But time and weather had damaged the porcelain coated steel signage and neon tubing. New 16-gauge steel panels had to be cut, using the originals as templates.

Only two facilities in the United States were large enough to accommodate baking the emblematic red porcelain onto the new panels; fortunately, both were in Dallas. More than 1,000 feet of new neon tubing was required to trace the familiar outlines as craftsmen and technicians remained faithful to the original.

The Red Icon Returns

Oil history preservation efforts were rewarded at midnight on December 31, 1999, when new millennium celebrations welcomed the red Mobil Oil Pegasus back to the Dallas skyline.

“You can’t tell the new one from the old one except for the fact that the faces are now red and not rusty,” explained one of the restorers. “We replaced every old piece with a new piece that was exactly the same as it was before.”

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The Pegasus sign “is a beloved icon of the city of Dallas,” proclaimed Kay Kallos, public art manager in the Office of Cultural Affairs, which manages its maintenance. Mobil Oil merged with Exxon in 1999, creating ExxonMobil, headquartered in Irving, Texas.


The American Oil & Gas Historical Society (AOGHS) preserves U.S. petroleum history. Become an AOGHS annual supporting member and help maintain this energy education website and expand historical research. For more information, contact Copyright © 2024 Bruce A. Wells. All rights reserved.

Citation Information – Article Title: “Mobil’s High-Flying Trademark.” Authors: B.A. Wells and K.L. Wells. Website Name: American Oil & Gas Historical Society. URL: Last Updated: March 11, 2024. Original Published Date: March 14, 2010.

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