Gender: Female
Mary Ellen Callahan is an American attorney serving as the Assistant Secretary for the DHS Countering Weapons of Mass Destruction (CWMD) Office since August 2023. She was previously the chief of staff to DHS Deputy Secretary John Tien in the Office of the Deputy Secretary at the U.S. Department of Homeland Security from 2021-2023. Callahan had previously served as Chief Privacy Officer of the Department of Homeland Security.
Source: Wikipedia | Last updated on May 14, 2024
On the name Mary Ellen Callahan, Mary means Sea of Bitterness, Bitter, Wished-for Child, Rebellion, Star of the Sea, Lady, Beloved. Ellen means Sun Ray, Shining, Form of Eleanor, Variant of Helen, Brightness, Mercy, Torch, Moon Elope, Moon. Callahan means Little Bright Headed One.
The name Mary Ellen Callahan is often used as a Female name and is mostly used as a First Name.
Mary is commonly found in United States of America, Mexico, Italy, and 98 more countries.
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At NamesLook, the name Mary is recorded 451,354 times globally, ranking it as the 49th most common name worldwide.
Mary is most prevalent in United States of America, with 102,677 occurrences, making it the 15th most popular name in the country.
In Ireland, the name Mary is found among 1 in every 5 people, showcasing its highest frequency there.
| Country | Rank | Frequency |
|---|---|---|
| United States of America | #15 | 1 : 18 |
| Mexico | #30 | 1 : 19 |
| Italy | #160 | 1 : 28 |
| Colombia | #93 | 1 : 42 |
| Nigeria | #22 | 1 : 49 |
| United Kingdom | #107 | 1 : 26 |
| Ireland | #2 | 1 : 5 |
| Peru | #35 | 1 : 51 |
| Egypt | #433 | 1 : 176 |
| Spain | #164 | 1 : 55 |
This chart displays the ranking of the name Mary from 1980 to 2023, based on the most recent data from the U.S. Social Security Administration.
Mary Ellen Callahan is an American attorney serving as the Assistant Secretary for the DHS Countering Weapons of Mass Destruction (CWMD) Office since August 2023. She was previously the chief of staff to DHS Deputy Secretary John Tien in the Office of the Deputy Secretary at the U.S. Department of Homeland Security from 2021-2023. Callahan had previously served as Chief Privacy Officer of the Department of Homeland Security.
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