Age-Finder Chart


Year of Event
 xx00 xx10 xx20 xx30 xx40 xx50 xx60 xx70 xx80 xx90
xx00
0/100
10
20
30
40
50
60
70
80
90
xx10
90
0/100
10
20
30
40
50
60
70
80
xx20
80
90
0/100
10
20
30
40
50
60
70
xx30
70
80
90
0/100
10
20
30
40
50
60
xx40
60
70
80
90
0/100
10
20
30
40
50
xx50
50
60
70
80
90
0/100
10
20
30
40
xx60
40
50
60
70
80
90
0/100
10
20
30
xx70
30
40
50
60
70
80
90
0/100
10
20
xx80
20
30
40
50
60
70
80
90
0/100
10
xx90
10
20
30
40
50
60
70
80
90
0/100

This is a Age-Finder Chart. To use, put the year of the first event (such as birthdate) down the left side and the year of the second event (such as census year) across the top. Draw lines to intersect and you will have the age.

Conversly, if you know the age at a particular census year, find that age going down at the census year, then across to the left to determine the birth year.

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