0
I believe 6:
St. Joseph (03/19)
St. Joseph the Worker (05/01)
St. Joseph-Benoît Cottolengo (04/29)
St. Joseph Calasanctius (08/27)
St. Joseph of Cupertino (09/18)
St. Joseph Benedict Cottolengo
There are certainly many more St. John's.
joseph is 'Joseph Macovei'
Which Joseph?.
How to spell the name Joseph in French
The first name Joseph is spelled the same in French.