Related breedBullmastiff1860 to 1924 · United KingdomAmerican Staffordshire Terrier at a glance
- Origin
- United States
- Appeared
- 1850 to 1936 (well documented)
- Family
- European Mastiff
- Type
- Bull & fighting dog
- Size
- Medium
- Life span
- 12 to 16 years
- Recognised by
- FCI, AKC
- Status
- Living
- FCI standard
- No. 286
- DNA clade
- European Mastiff (Parker 2017)
The name. Named for Staffordshire, England, home of its bull-and-terrier forebears; "American" added in 1972.
Same familyGreat Dane1600 to 1880 · GermanyFamily and relatives
Descends from
Sister breeds
Same family: European Mastiff
Boston Terrier, Boxer, Bull Terrier, Bulldog, Bullmastiff, Cane Corso
Same time, same continent
American Cocker Spaniel, Boston Terrier, Chihuahua, Nova Scotia Duck Tolling Retriever, American Eskimo Dog, American Water Spaniel
Close by DNABelgian Malinois1891 to 1901 · BelgiumClosest relatives by shared DNA
- Bull Terrier29.0 Mb
- Staffordshire Bull Terrier25.5 Mb
- Miniature Bull Terrier25.3 Mb
- Boston Terrier21.8 Mb
- Bulldog18.9 Mb
- French Bulldog16.0 Mb
- Boxer14.8 Mb
- Glen of Imaal Terrier11.7 Mb
- Bullmastiff11.3 Mb
- Soft-coated Wheaten Terrier11.2 Mb
- Dogue de Bordeaux11.2 Mb
- Kerry Blue Terrier10.7 Mb
Source: Parker et al. 2017, shared haplotypes in megabases.
Same eraDobermann1880 to 1900 · GermanyPlace in time
The American Staffordshire Terrier appears 1850 to 1936 (well documented), in the Victorian Breed Boom, when 94 breeds first appeared.
A full article on the American Staffordshire Terrier is coming. Meanwhile, the Border Collie shows what every breed page will hold: see the Border Collie.







