#9125 overallScience profile
Isabel Martin Lewis
American astronomer and author
Known forAmerican astronomer and author (died 1966)
Isabel Martin Lewis was an American astronomer who was the first woman hired by the United States Naval Observatory as assistant astronomer. In 1918, Lewis was elected a member of the American Astronomical Society. She was also a member of the Royal Astronomical Society of Canada and the Astronomical Society of the Pacific. Birthdays.fyi indexes this profile with birthday, age, profession cluster, source links, and nearby people born on July 11.
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Age band80-89
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Bio
About Isabel Martin Lewis
Isabel Martin Lewis was an American astronomer who was the first woman hired by the United States Naval Observatory as assistant astronomer. In 1918, Lewis was elected a member of the American Astronomical Society. She was also a member of the Royal Astronomical Society of Canada and the Astronomical Society of the Pacific. Birthdays.fyi indexes this profile with birthday, age, profession cluster, source links, and nearby people born on July 11.
Before fame
Isabel Martin Lewis's profile was added from source-backed birthday discovery. This section can be expanded when early-life or career-start details are available from reviewable sources.
Trivia
American astronomer and author (died 1966). This page is tagged with Science, Historical, American, July 11.
Associated with
Isabel Martin Lewis is associated in this archive with Science, Historical, American, and the July 11 birthday index.
Source note
This profile is part of the July 11 birthday archive. It was last updated on July 10, 2026 and is prepared for source-level database review.
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