 By 1813, the In 1819, Juan Pablo Lara bought land that was registered in Alajuela, and San Pedro's name first appears in those documents.By 1846, San Pedro was the most populous of Santa Bárbara's current districts, with 1,000 residents.In order to pray to Santa Bárbara, San Pedro's residents met with other settlers in the area at a central location close to the current site of Santa Bárbara's plaza, hence the name of the city.