111 named correspondents of the Spanish and Mexican government of Alta California, each with the catalog records naming them as author or recipient. Compiled from the name forms the source catalog recorded; entries without a stated office carry a provenance warning on their page.
Diego de Borica — 3976 records, 1784 to 1822 · Governor 1794–1800; founder of Villa de Branciforte.
José María de Echeandía — 3612 records, 1781 to 1845 · Governor 1825–1831; author of the pioneering 1831 secularization decree.
José Joaquín de Arrillaga — 2758 records, 1781 to 1839 · Acting governor 1792–94 & 1800–04, proprietary 1804–1814; earlier lieutenant-governor at Loreto; died at Soledad 1814.
Pedro Fages — 2329 records, 1768 to 1797 · Military commander 1770–74; governor 1782–1791.
José Figueroa — 1114 records, 1824 to 1846 · Governor 1833–1835; the gradualist secularization reglamento; died in office.
Felipe de Goycoechea — 930 records, 1781 to 1812 · Santa Bárbara comandante 1784–1802.
Juan Bautista Alvarado — 804 records, 1789 to 1847 · Governor 1836–1842 (the 1836 revolution).
Pablo Vicente de Solá — 723 records, 1781 to 1835 · Last Spanish governor, 1815–1822.
Manuel Jimeno Casarín — 672 records, 1825 to 1848 · Government secretary under Alvarado & Micheltorena; the C-A 35 secretariat hand.
José de la Guerra y Noriega — 592 records, 1801 to 1849 · Santa Bárbara captain & patriarch (fl. 1800s–40s).
Santiago Argüello — 572 records, 1814 to 1846 · San Diego comandante, then Sub-Prefect (took charge Jul 1845); son of José Darío.
Felipe de Neve — 538 records, 1774 to 1791 · Governor 1775–1782; founded San José & Los Angeles; author of the 1779 Reglamento.
Branciforte, Marqués de — 482 records, 1749 to 1845 · Viceroy of New Spain 1794–1798; namesake of the Villa.
Manuel Victoria — 426 records, 1799 to 1838 · Governor 1831, deposed; opponent of Echeandía's secularization.
José Darío Argüello — 392 records, 1781 to 1829 · Soldier-officer: SF & Monterey comandante, LA founding comisionado (1786 titles), interim governor 1814–15; father of Luis & Santiago.
Pío Pico — 370 records, 1826 to 1849 · Last Mexican governor, 1845–46; earlier Diputación vocal.
Antonio Grajera — 352 records, 1784 to 1799 · San Diego comandante 1793–1799.
Manuel Micheltorena — 293 records, 1842 to 1845 · Governor 1842–1845; expelled after the Cahuenga campaign.
Ignacio Martínez — 243 records, 1801 to 1841 · SF comandante & habilitado (fl. 1820s–30s); handed Mission San Rafael's 1836 inventory to John Reed.
José Castro — 235 records, 1819 to 1849 · Comandante-general in the 1836 revolution & 1846 (Gavilán); prefect.
Hermenegildo Sal — 234 records, 1776 to 1835 · SF/Monterey officer & habilitado; comandante roles through the 1790s; d. 1800.
José Raimundo Carrillo — 229 records, 1776 to 1849 · Officer: Monterey, Santa Bárbara, San Diego comandancias (fl. 1780s–1800s).
Tiburcio Tapia — 207 records, 1828 to 1844 · LA merchant, alcalde, prefect (fl. 1830s–40s).
Vicente Sánchez — 189 records, 1826 to 1845 · LA alcalde (fl. 1820s–40s), repeatedly embattled.
Luis Antonio Argüello — 180 records, 1800 to 1833 · SF comandante; first Mexican-era governor 1822–1825; son of José Darío.
Mariano Guadalupe Vallejo — 158 records, 1824 to 1849 · Sonoma comandante-general of the northern frontier; the 1829 Estanislao campaign report; the 1833 Ross intelligence.
José Pérez Fernández — 155 records, 1792 to 1805 · SF habilitado/officer, 1790s.
José de Iturrigaray — 138 records, 1803 to 1808 · Viceroy of New Spain 1803–1808.
Manuel Domínguez — 125 records, 1826 to 1849 · LA alcalde & ranchero (fl. 1830s–40s).
Anastasio Carrillo — 124 records, 1820 to 1846 · Santa Bárbara officer & administrator (fl. 1820s–40s).