John Onyszko
2 people named John Onyszko found in New Hampshire and Pennsylvania.
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Demographic Info for John Onyszko
Statistics based on US Census data for all 2 people with this name.
69 yrs
AVERAGE AGE
100% are in their 60s, while the average age is 69.
100%
CAUCASIAN
Our ethnicity data indicates the majority is Caucasian.
0%
MARRIED
0% of these people are married, and 100% are single.