First mention: Matthew 10:4

Final mention: Acts 1:25

Meaning of his name: "Praise"

Frequency of his name: Referred to 22 times

Biblical books mentioning him: Five books (Matthew, Mark, Luke, John, Acts)

Occupation: Apostle

Place of birth: Probably in the Judean city of Kerioth

Place of death: In or near Jerusalem

Circumstances of death: He hanged himself (Matthew27:5; Acts 1:18).

Important fact about his life: He was the apostle who betrayed Christ.

Copyright 1999, used by permission from Dr. H.L. Willmington.

Son of Simon, surnamed Iscariot, i.e., a man of Kerioth. His name is uniformly the last in the list of the apostles, as given in the synoptic Gospels. The evil of his nature probably gradually unfolded itself until "Satan entered into him" and he betrayed Jesus. Afterwards he owned his sin with "an exceedingly bitter cry," and cast the money he had received as the wages of his iniquity down on the floor of the sanctuary, and "departed and went and hanged himself." He perished in his guilt and "went unto his own place."

Why such a man was chosen to be an apostle we do not know, but it is written that "Jesus knew from the beginning who should betray Him." Nor can any answer be satisfactorily given to the question as to the motives that led Judas to betray his Master.

(www.biblestudytools.net/Dictionaries/EastonBibleDictionary/?word=Judas)