Silas appears 58 times in the pet registries at rank 1754, strongly male. As a pet name, Silas is riding the same wave that's made it a rising human baby name — the same vintage-biblical quality that feels both old and fresh simultaneously, combining a strong S-opening with the open vowel ending that reads as modern. When the same name works in both registries, something interesting is happening.
The Vintage-Biblical Crossover
Silas in the New Testament was a companion of the Apostle Paul — a figure associated with steadfastness and journeying rather than drama. The name has the same character as Amos, Eli, and Ezra in the pet registry: parents and pet owners are drawing from the same well of recovered scriptural names. For a dog, the Old Testament weight is worn lightly — it's background rather than foreground.
Sound Fit for Larger Dogs
Silas has excellent recall properties: two syllables, S-opening that projects well, distinct enough not to blur with other common dog names. It suits medium-to-large breeds with a quiet authority — Bernese Mountain Dogs, Great Pyrenees, Irish Setters. Browse Bernese Mountain Dog names for picks in the same grounded, classic register.
Counter-Reading
The human name Silas is rising in the US baby naming charts, which creates increasing overlap between pet and human populations. Households with young children should confirm they won't have a human Silas in the near future before naming a pet the same thing.