Originally, the inhabitants of Pasadena were members of the Native American tribe Hahamog-na, which was a branch of the Tongva Nation. They spoke using the language of the Tongva and had lived within the Los Angeles Basin for many years. The Tongva dwellings lined Arroyo Seco which is part of present day of Pasadena and south of it where it joins the Los Angeles River and other natural waterways within the city.
Pasadena would then become a part of the original Mexican land grant that was called Rancho del Rincon de San Pascual. It was named this because the deed was handed over on Easter Sunday to the Mission of San Gabriel Arcangel. The rancho was made of todays areas of Altadena, South Pasadena, and Pasadena.
Before the 1848 annexation of California, the last of the Mexican owners who retained the title of the property after it became a state in 1850. Manuel Garfias eventually sold pieces of the property a couple of Anglo settlers that came into the area. Dr. S. Griffin and Dr. Benjamin Eaton were the first to arrive followed by Benjamin Wilson, who would purchase most of the property to set up his Lake Vineyard property. Wilson would become known as Don Benito to local Indians. He also would own Riverside and was the mayor of Los Angeles and is the namesake of Mount Wilson.
Then Wilson would be visited in 1873 by Dr. Daniel Berry of Indiana who was searching for an area that would offer a mild climate for patients, many of those who had respiratory ailments. Berry himself, was an asthmatic and stated that the best sleep he had was Rancho San Pascual. In order to keep the area a secret, he called the area Muscat, after the grapes that Wilson grew. In order to raise funds to bring people to California, Berry would form an association for Orange and Citrus growers and would sell stock in it. Then they were able to purchase a large portion of land. Then as a gesture of goodwill, Wilson added 2000 acres of useless property which would become Altadena.
The overall popularity of the area would bring people from across to the country and eventually Pasadena would become a stop on the Topeka, Santa Fe, and Atchison Railway, which really lead to a big explosion for growth. From the 1880s real estate boom up until the Great Depression, many tourist hotels were developed within the city and Pasadena became the go to wintertime resort for the wealthy, which would cause the developing of new business districts and neighborhoods and also increased transit and road connections to Los Angeles, which caused the opening of the Arroyo Seco Parkway, which was the first freeway of California. Then during 1940, Pasadena had actually become the 8th largest city within California and was actually considered to be a twin city to Los Angeles, California.