For people born in centuries past, it was not uncommon to not know one's precise birthday, and the same applies to historical places, even Covina!

Covina's founder, Joseph Swift Phillips (1840-1905).
Various sources have claimed with authority that Covina's origin date was 1882, 1884, 1885 and 1886. So, which of these is correct? Perhaps unsurprisingly, the answer is... complicated.



