Bertha is Old High German for "bright" or "famous," a name that was common across medieval Europe and peaked in American usage around 1900. Its 29 registry records place it firmly in the ironic-retro pet name category: owners who find genuine humor in applying a grandmotherly Victorian name to a contemporary animal.
Big Bertha Energy
"Big Bertha" has been American slang for something oversized since WWI (when it described a German siege cannon). A large dog named Bertha carries this association with cheerful self-awareness. Saint Bernards, Great Danes, and other imposing breeds suit the Big Bertha joke perfectly — the name works best when the animal earns it.
The Victorian Name Revival
Bertha belongs to the cohort of names — alongside Mildred, Edna, and Gertrude — that younger owners are reclaiming as deliberate anti-trend choices. The human name Bertha is rare enough to feel genuinely unusual while carrying obvious historical weight. It's a name with too much accumulated irony to be chosen unconsciously.
The Counter-Reading: The Weight of the Joke
Bertha requires commitment. Unlike gentler vintage names, it carries enough accumulated humor that it's hard to deploy sincerely — and that's either its appeal or its limitation depending on what you want from a pet name. Browse Victorian options at pet names.