In Super Bowl XLI, the Chicago Bears led the Indianapolis Colts by a score of 14-6 at the end of the first quarter (but eventually lost).
10-0 Colts
14~3
0-14 gb
7-3 The ravens winning at the end of the first quarter
After the first quarter of Super Bowl XLV, the score was 14-0, Packers.
The score at the end of the first quarter in the 2009 Super Bowl XLIII was Pittsburgh 3 - Arizona 0
Steelers 3 Cardinals 0
Patriots 0 Giants 9
14-3 packers
steelers 0 packers 24
Giants 9 Patriots 0
Giants:21 Pats: 17