Common names?

following ricardo's post

lawrence is the #63 most common male name.
0.282% of men in the US are named lawrence.
Around 345450 US men are named lawrence!

jessica is the #26 most common female name.
0.49% of females in the US are named jessica.
Around 624750 US females are named jessica!

allyson is the #775 most common female name.
0.013% of females in the US are named allyson.
Around 16575 US females are named allyson!

tam is the #3596 most common last name.
0.003% of last names in the US are tam.
Around 7500 US last names are tam!
source namestatistics.com