Benjamin ranks at #302 with 381 entries, and it sits at the formal-name end of the broader Ben/Benny/Benji cluster. Most Benjamins on pet registration paperwork get called Ben or Benny in daily use, which is the human-pet naming pattern that has shaped male dog names for decades.
The full-name-with-nickname pattern
Benjamin clusters with Theodore, Oliver, and Winston in the formal-male register. Owners pick the full name for paperwork gravitas and slide into Ben or Benny for daily calling. The pattern is consistent across the modern vintage-revival cohort, with three-syllable formal names giving way to one or two-syllable nicknames in actual use.
Sound and breed fit
The three-syllable shape (BEN-juh-min) is too long for outdoor recall, which is precisely why nearly all Benjamins get called Ben in practice. The shortened form has crisp consonants and projects well. Benjamin lands on medium-to-large breeds at higher rates: Golden Retrievers, Labradors, doodles, and mid-sized mixed breeds in particular.
The cultural counter-reading
One reading worth flagging: Benjamin Franklin and Benjamin Button (the 2008 film) give the name parallel cultural anchors that pull different owner clusters. The biblical Benjamin (youngest son of Jacob) is the older anchor that still pulls observant Jewish and Christian owners. Multiple cultural reads coexist comfortably without much friction. The Benjamin baby name page shows the name has been steadily on the SSA top-50 for decades.