Any saint by definition has achieved sainthood, except that some 'saints' are angels (St. Michael) and some saints were not canonized (St. Cecilia).
The abstract noun for the term saint (a person) would be sainthood.
St. Patrick did not lose his sainthood.
The martyrdom of Thomas was sufficient to qualify him for sainthood.
Sainthood is a noun used when referring to the saints collectively, or when referring to the status and dignity of a particular saint.
I can find no reference to any saint named Lubbock.
St. Dorothy died a martyr's death which the early Christians considered as automatic sainthood.
Both were martyrs, a first class ticket to sainthood.
While there is no Saint Anton to be found in any online records, there is a Saint Antonia, who achieved sainthood in 400 AD for choosing to live a life of celibacy when it was illegal to do so.
No, he is not a saint but was declared venerable in 1745. The cause for sainthood was stalled after that until it was reopened in 2007.
Saint Patrick was declared a saint before the canonization process was instituted so miracles were not required for sainthood.
saint mark was a pastor
No. One of the prerequisites for sainthood is that you are dead.