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Mary Brooks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Penobscot-County, Maine
Our Model Tree links this Mary Brooks across the 1930 and 1940 US Censuses in Penobscot-County, Maine (XGBoost, ~Confirmed) — first a daughter (b.~1907), then head of a 11-person household.
Age 33
b. ~1907
Female
Daughter
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Penobscot-County, Maine |
| Surname | Brooks |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Brewer City |
| 1935 Residence (County) | Penobscot |
| Additional Details | |
| Occupation | Machine Hopper |
| Industry | Cigar Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Machine Hopper |
| Township / Ward | Brewer City |
| Est. Birth Year | ~1907 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Teresa Brooks | Daughter | — | 15 | ~1925 |
| Mary Brooks | Daughter | — | 33 | ~1907 |
| Evelyn Brooks | Daughter | — | 28 | ~1912 |
| Charlotte Brooks | Daughter | — | 20 | ~1920 |
| Ada Brooks | Head | — | 54 | ~1886 |
| Anthony Brooks | Son | — | 12 | ~1928 |
| Wallace Brooks | Son | — | 19 | ~1921 |
| Charles Brooks | Son | — | 25 | ~1915 |
| Carroll Brooks | Son | — | 12 | ~1928 |
| James Brooks | Son | — | 16 | ~1924 |
| Orville Brooks | Son | — | 22 | ~1918 |
Census Appearances
1930
Penobscot, Maine
Daughter, age 23
Penobscot, Maine · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Canada-English |
| Occupation | Stripper |
| Industry | Tobacco Co. |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Penobscot-County, Maine
Daughter, age 33
Penobscot-County, Maine · implied b. ~1907 — 11 household members
| Surname | Brooks |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Brewer City |
| 1935 Residence (County) | Penobscot |
| Occupation | Machine Hopper |
| Industry | Cigar Factory |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Brooks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Brooks
Daughter · 1940 · age 33 · b. ~1907 · Maine
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Sibling
Teresa Brooks
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Brooks
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Orville Brooks
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anthony Brooks
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Brooks
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallace Brooks
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Carroll Brooks
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brooks
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Brooks
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Penobscot-County, Maine
Open full size
1940 US Federal Census — Penobscot-County, Maine
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01487-00147)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael M. Thibodeau | 69 | Head | Painter | Canada French |
| 2 | Sophie Thibodeau | 64 | Wife | — | Canada French |
| 3 | John M. Macdough | 35 | Head | Clerk | Maine |
| 4 | Philla S. Macdough | 38 | Wife | — | Maine |
| 5 | John M. Jr. Macdough | 8 | Son | — | Maine |
| 6 | Richard L. Macdough | 5 | Son | — | Maine |
| 7 | Addie Goody | 69 | Mother-in-law | Housework | Maine |
| 8 | Eldon C. Booth | 31 | Head | Laborer | Maine |
| 9 | E. Rita Booth | 25 | Wife | — | Maine |
| 10 | Rosalie A. Booth | 3 | Daughter | — | Maine |
| 11 | Catherine F. Booth | 2 | Daughter | — | Maine |
| 12 | Ada A. Brooks | 54 | Head | — | Canada English |
| 13 | Mary A. Brooks THIS PERSON | 33 | Daughter | Machine Hopper | Maine |
| 14 | Evelyn A. Brooks | 28 | Daughter | Hand Stripper | Maine |
| 15 | Charles S. Brooks | 25 | Son | Laborer | Maine |
| 16 | Orville J. Brooks | 22 | Son | Laborer | Maine |
| 17 | Charlotte A. Brooks | 20 | Daughter | Housemaid/Regent | Maine |
| 18 | Wallace G. Brooks | 19 | Son | Laborer | Maine |
| 19 | James L. Brooks | 16 | Son | — | Maine |
| 20 | Teresa M. Brooks | 15 | Daughter | — | Maine |
| 21 | Anthony J. Brooks | 12 | Son | — | Maine |
| 22 | Carroll M. Brooks | 12 | Son | — | Maine |
| 23 | William W. Gagnon | 32 | Head | Pattern Maker | Maine |
| 24 | Helen R. Gagnon | 34 | Wife | — | Maine |
| 25 | Janet E. Gagnon | 10 | Daughter | — | Maine |
| 26 | Cecelia A. Gagnon | 9 | Daughter | — | Maine |
| 27 | William E. Gagnon | 1 | Son | — | Maine |
| 28 | James Burnett | 62 | Head | Laborer | Scotland |
| 29 | Euphemia G. Burnett | 57 | Wife | — | Scotland |
| 30 | Alexander S. Burnett | 31 | Son | Chemical Work | Maine |
| 31 | Marion E. Burnett | 29 | Daughter | Stenographer | Maine |
| 32 | James J. Burnett | 25 | Son | Laborer | Maine |
| 33 | Nathalie T. Burnett | 21 | Daughter | Clerk | Maine |
| 34 | John G. Burnett | 19 | Son | Clerk | Maine |
| 35 | Isaac J. Degnan | 65 | Head | Millwright | Canada French |
| 36 | Lizzie P. Degnan | 63 | Wife | — | Canada French |
| 37 | Josephine M. Goodness | 62 | Head | — | Maine |
| 38 | Peter E. Goodness | 39 | Son | Laborer | Maine |
| 39 | Waldo E. Goodness | 34 | Son | Barber | Maine |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)