William Trevethan (1803-1875) [dates from Poitevin, p.79] was a former British sailor who arrived in the Santa Cruz area ~1824 (Rowland, p.55). Elliott spelled the name "Trevothan", and states that he came here in 1835 (p.12). Trevethan married a Californio girl, Maria Antonia Perez (1816-1876)
- Norman Poitevin, Phil Reader, and Robert Nelson. The Guide to Holy Cross Cemetery, 2016.
- Santa Cruz: The Early Years, p107-109.
- "California Pioneers: William Trevethan", Santa Cruz Sentinel, July 2, 1870, 1:5-7