THE DATE BEHIND THE NAME
Mary Helen Johnston
American scientist and astronaut (born 1945)
Mary Helen Johnston was born on September 17, 1945 in West Palm Beach, United States, and is 81 years old.
Born
September 17, 1945
Mary Helen Johnston is 81 years old as of October 7, 2026 (UTC).
Source:
No external source identified
Synchronized from Wikidata on October 5, 2026.
- Birthplace
- West Palm Beach, United States
- Professions
- astronaut
- Citizenship
- United States
More about Mary Helen Johnston
- Zodiac sign
- Virgo
All birth date sources
A source is P248 “stated in” or a non-Wikimedia reference URL. Import-only references do not qualify.
No external source identified
Synchronized from Wikidata on October 5, 2026. View Wikidata record
Questions people ask
How old is Mary Helen Johnston?
Mary Helen Johnston is 81 years old as of October 7, 2026 (UTC).
When is Mary Helen Johnston’s birthday?
Mary Helen Johnston’s recorded birthday is September 17.
Where was Mary Helen Johnston born?
Mary Helen Johnston was born in West Palm Beach, United States.