While they may be in heaven Old Testament personages are not given the title of saint. Only those who entered Heaven after Our Lord are given the title of saint.
A long list. Here are a few: Abraham, Moses, Joshua, Samuel, Isaiah, Jeremiah.
Too many to list. Examples: Abraham and Sarah, Isaac and Rebecca, Jacob and Leah, Joseph, Moses, Aaron, Joshua, Deborah, Samson, Saul, David, Solomon, Isaiah, Jeremiah, Ezekiel, Ezra, Hillel, Rabbi Akiva.
Click on this link for a fairly comprehensive list of patron saints.
For a list of saints and their patronages see the Patron Saints Index.
Click on the link below to the Patron Saint Index for a list of many of the saints.
I only know 2 guys in the bible who are super old. I will list them from oldest to youngest: Moses and Abraham. Moses died at the age around 140. Abraham died around the age of 110
There are well over 10,000 named saints and impossible to list here. For a list on many of these saints click on this link.
A litany is a list of prayed or chanted invocations to Our Lord or the saints.
List of Saints - 2010 was released on: USA: 22 August 2010
There are thousands of female saints, too many to list here.
There are 10,000 to 20,000 saints, too many to list here.
No, he is still on the Calendar of Saints.