Carlsbad in San Diego County, California — The American West (Pacific Coastal)

The Original Adobe

Photographed by Tom Bosse, September 5, 2026

1. The Original Adobe Marker

Inscription.
Matthew Kelly Homestead
Leo Carrillo bought an abandoned two-story, wood paneled adobe in 1937. It had been the home of Isle of Man immigrant Matthew Kelly, who arrive here in 1868 to join his brother Robert. Robert was the majordomo, or ranch manager, and later owner of the adjoining Rancho Agua Hedionda. Matthew and Emily Kelly, and their nine children, lived here at their ranch named Los Kiotes for its hillside yucca plants.

[Caption]: In 1906, the Kelly family gathered at their 1882 Los Kiotes home. By this time, Matthew Kelly’s nine children had inherited the 13,000-acre Rancho Agua Hedionda.

[Insert]: The summer of 1882 we built a new house of adobe, or sun-dried brick…a hard summer’s work but after we had a very comfortable home. – John Lincoln Kelly, adapted from Life on a San Diego County Ranch, c. 1925.

Carlsbad’s Pioneers
Much of Carlsbad lies within the original 13,000-acre Rancho Agua Hedionda, an 1842 Mexican land grant that passed to Robert Kelly in 1870.

Californio Style
The crumbling Los Kiotest adobe home was fully renovated by Leo Carrillo in 1939. The second floor was removed. The U-shaped

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hacienda enclosed a central courtyard of the Californio style.

[Caption]: Adobe arch frame.

Erected by Leo Carrillo Ranch Historic Park.

Topics and series. This historical marker is listed in this topic list: Settlements & Settlers. In addition, it is included in the Leo Carrillo Ranch Historic Park series list. A significant historical year for this entry is 1937.

Location. 33° 7.118′ N, 117° 14.257′ W. Marker is in Carlsbad, California, in San Diego County. It can be reached from Flying Leo Carrillo Lane, on the left when traveling north. Marker is located within the Leo Carrillo Ranch Historic Park. Touch for map. Marker is in this post office area: Carlsbad CA 92009, United States of America. Touch for directions.

Regionally, this marker is in the Peninsular Ranges.

It is also in the American Borderlands

and on the Pacific Coast.

Globally, it is in North America,

on the Ring of Fire,

on the Pacific Rim,

in the Western Hemisphere,

in the Western World,

and in the Anglosphere.

Historically, it finds itself in what was once New Spain

and also Mexico’s Alta California.

Other nearby markers. At least 8 other markers

Photographed by Tom Bosse, September 5, 2026

2. The Original Adobe Marker

are within walking distance of this marker: Matthew Kelly and the Los Kiotas Ranch (here, next to this marker); Pais. Agua. Sol. (here, next to this marker); Living Californio (a few steps from this marker); Cowboy Cantina (within shouting distance of this marker); Garage to Classroom (within shouting distance of this marker); Deedie’s Retreat (within shouting distance of this marker); Working Up a Thirst (within shouting distance of this marker); Pecking Order (within shouting distance of this marker). Touch for a list and map of all markers in Carlsbad.

Also see . . .
1. Leo Carrillo Ranch Historic Park. (Submitted on September 27, 2026, by Tom Bosse of Jefferson City, Tennessee.)
2. Leo Carrillo. (Submitted on September 27, 2026, by Tom Bosse of Jefferson City, Tennessee.)

Photographed by Tom Bosse, September 5, 2026

3. The Original Adobe Marker

Credits. This page was last revised on September 27, 2026. It was originally submitted on September 27, 2026, by Tom Bosse of Jefferson City, Tennessee. This page has been viewed 9 times since then. Photos: 1, 2, 3. submitted on September 27, 2026, by Tom Bosse of Jefferson City, Tennessee. • Andrew Ruppenstein was the editor who published this page.