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Mary Brooks — 1940 US Census Record
Model Tree available1940 United States Federal Census · Belknap-County, New Hampshire
Our Model Tree links this Mary Brooks across the 1920, 1930 and 1940 US Censuses in Belknap-County, New Hampshire (XGBoost, ~Confirmed), with identified parents Earle & Rosa — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Belknap-County, New Hampshire |
| Surname | Brooks |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Laconia city |
| 1935 Residence (County) | Belknap |
| Additional Details | |
| Occupation | Clerk |
| Industry | Monthly wholesale |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 312 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Clerk |
| Township / Ward | Laconia City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Brooks | Daughter | — | 21 | ~1919 |
| Earle Brooks | Head | — | 49 | ~1891 |
| Robert Brooks | Son | — | 10 | ~1930 |
| Richard Brooks | Son | — | 10 | ~1930 |
| Vera Brooks | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Belknap, New …
Daughter, age
Belknap, New Hampshire · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | none |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Belknap, New …
Daughter, age 11
Belknap, New Hampshire · implied b. ~1919 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Mary L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Belknap-County, New …
Daughter, age 21
Belknap-County, New Hampshire · implied b. ~1919 — 5 household members
| Surname | Brooks |
| Given Name | Mary L. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Laconia city |
| 1935 Residence (County) | Belknap |
| Occupation | Clerk |
| Industry | Monthly wholesale |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 312 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Earle Brooks (~0.92 confidence) and mother Rosa Brooks (~0.92 confidence) and mother Vera Brooks (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Earle Brooks
b. ~1891
Source father
● Household
· direct · ~0.92
Mother
Rosa Brooks
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Vera Brooks
b. ~1895
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Brooks
Daughter · 1940 · age 21 · b. ~1919 · New Hampshire
★ You are viewing this record
Sibling
Richard Brooks
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Brooks
Sibling · 1940 · age 10
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 — Belknap-County, New Hampshire
Open full size
1940 US Federal Census — Belknap-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02283-00423)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Merle M. Stacy | 50 | wife | — | New Hampshire |
| 42 | Mary S. Stacy | 17 | daughter | — | New Hampshire |
| 43 | Kathleen L. Stacy | 13 | daughter | — | New Hampshire |
| 44 | Doris V. Stacy | 10 | daughter | — | New Hampshire |
| 45 | Louis W. B. Parent | 75 | head | — | Canada-French |
| 46 | Raymond F. Parent | 38 | son | Bus Driver | New Hampshire |
| 47 | Dora F. Parent | 31 | daughter-in-law | — | Maine |
| 48 | Steven D. Parent | 2 | grandson | — | New Hampshire |
| 49 | Edith Clarken | 58 | niece | — | New Hampshire |
| 50 | Ealie L. Smith | 47 | head | Pastor | Massachusetts |
| 51 | Florence A. Smith | 42 | wife | — | Massachusetts |
| 52 | Harriet M. Barr | 72 | mother | — | New York |
| 53 | John B. Bowles | 62 | head | Carpenter | New Hampshire |
| 54 | Una B. Bowles | 56 | wife | Clerk | New Hampshire |
| 55 | Barbara M. Bowles | 25 | daughter | Teacher | New Hampshire |
| 56 | Myron A. Whitcomb | 33 | head | Salesman | New Hampshire |
| 57 | Ruth L. Whitcomb | 35 | wife | — | Massachusetts |
| 58 | Hubert D. Whitcomb | 17 | son | — | New Hampshire |
| 59 | David R. Whitcomb | 5 | son | — | New Hampshire |
| 60 | Elinor L. Whitcomb | 1 | daughter | — | New Hampshire |
| 61 | Elaine R. Whitcomb | 1 | daughter | — | New Hampshire |
| 62 | Leroy Mccormack | 28 | head | Truck Driver | New Hampshire |
| 63 | Lois Mccormack | 27 | daughter | Bookkeeper | New Hampshire |
| 64 | Dorothy Mccormack | 6 | daughter | — | New Hampshire |
| 65 | Richard Mccormack | 4 | son | — | New Hampshire |
| 66 | Patricia Mccormack | 2 | son | — | New Hampshire |
| 67 | Hurdue A. Pitts | 23 | head | Machine Operator | New Hampshire |
| 68 | Shirley B. Pitts | 20 | wife | — | New Hampshire |
| 69 | Sheila S. Pitts | 0 | daughter | — | New Hampshire |
| 70 | Earle A. Brooks | 49 | head | Office Clerk | New Hampshire |
| 71 | Vera S. Brooks | 45 | wife | — | New Hampshire |
| 72 | Mary L. Brooks THIS PERSON | 21 | daughter | Clerk | New Hampshire |
| 73 | Robert W. Brooks | 10 | son | — | New Hampshire |
| 74 | Richard E. Brooks | 10 | son | — | New Hampshire |
| 75 | John A. Smith | 38 | head | Laborer | New Hampshire |
| 76 | Relia A. Smith | 34 | wife | Winder | New Hampshire |
| 77 | Jacqueline B. Smith | 14 | daughter | — | New Hampshire |
| 78 | John W. Smith | 12 | son | — | New Hampshire |
| 79 | John H. Tyre | 55 | head | Garage Foreman | Scotland |
| 80 | Myrtie E. Tyre | 51 | wife | — | New Hampshire |
Related Census Records
Pedigree Summary
Mary + 2 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)