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Martha Brooks — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Martha Brooks across the 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 6-person household.
Age 18
b. ~1922
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Brooks |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Capsorter |
| Industry | Radio Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Capsorter |
| Township / Ward | Indianapolis City |
| Est. Birth Year | ~1922 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Juanita Brooks | Daughter | — | 9 | ~1931 |
| Rollins Brooks | Head | — | 33 | ~1907 |
| Betty Brooks | Daughter | — | 13 | ~1927 |
| Martha Brooks | Daughter | — | 18 | ~1922 |
| William Brooks | Son | — | 16 | ~1924 |
| Bernice Brooks | Spouse | — | 33 | ~1907 |
Census Appearances
1930
Marion, Indiana
Daughter, age 8
Marion, Indiana · implied b. ~1922 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brooks |
| Given Name | Marsha L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Indiana |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 18
Marion-County, Indiana · implied b. ~1922 — 6 household members
| Surname | Brooks |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis City |
| 1935 Residence (County) | Marion |
| Occupation | Capsorter |
| Industry | Radio Mfg |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 496 |
| Highest Grade | Hs 3 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Martha Brooks across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Brooks
Daughter · 1940 · age 18 · b. ~1922 · Indiana
★ You are viewing this record
Sibling
William Brooks
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Juanita Brooks
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Brooks
Sibling · 1940 · age 13
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01129-00118)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Walda Sturgeon | 7 | daughter | — | Indiana |
| 2 | Richard Sturgeon | 4 | son | — | Indiana |
| 3 | Lewis Lusemkamp|Lusemkamp | 50 | head | Chauffeur | Indiana |
| 4 | Elnore Lusemkamp|Lusemkamp | 49 | wife | — | Indiana |
| 5 | Bernice Lusemkamp|Lusemkamp | 17 | daughter | — | Indiana |
| 6 | Norma Lusemkamp|Lusemkamp | 15 | daughter | — | Indiana |
| 7 | Richard Lusemkamp|Lusemkamp | 13 | son | — | Indiana |
| 8 | Leon Lusemkamp|Lusemkamp | 11 | son | — | Indiana |
| 9 | Ladonna Lusemkamp|Lusemkamp | 7 | daughter | — | Indiana |
| 10 | Phyllis Lusemkamp|Lusemkamp | 4 | daughter | — | Indiana |
| 11 | William Abraham | 60 | head | Laborer | Indiana |
| 12 | Bertha Abraham | 59 | wife | — | Indiana |
| 13 | Benjamin Dennison | 78 | head | — | Kentucky |
| 14 | Mary E Dennison | 73 | wife | — | Tennessee |
| 15 | Jack Dennison | 46 | son | Laborer | Kentucky |
| 16 | James Prather | 76 | brother-in-law | — | Tennessee |
| 17 | Minnie Hoyt | 48 | head | — | Indiana |
| 18 | George Hoyt | 25 | son | Machinist | Indiana |
| 19 | Edward Hoyt | 23 | son | Laborer | Indiana |
| 20 | June Hoyt | 20 | daughter | Clerk | Indiana |
| 21 | Mary D Greany | 75 | head | — | Ohio |
| 22 | Benny Greany | 52 | son | Printer | Indiana |
| 23 | Rosel Hafner | 78 | sister | — | Ohio |
| 24 | Edward Huff | 68 | head | Laborer | Indiana |
| 25 | Myrtle Huff | 61 | wife | — | Indiana |
| 26 | Elmer Hauser | 26 | step-son | Presser | Indiana |
| 27 | Della D Glover | 58 | head | — | Illinois |
| 28 | Rollins Brooks | 33 | head | Laborer | Kentucky |
| 29 | Bernice Brooks | 33 | wife | — | Indiana |
| 30 | Martha Brooks THIS PERSON | 18 | daughter | Capsorter | Indiana |
| 31 | William Brooks | 16 | son | — | Indiana |
| 32 | Betty Brooks | 13 | daughter | — | Indiana |
| 33 | Juanita Brooks | 9 | daughter | — | Indiana |
| 34 | James Scaggs | 32 | head | Painter | Indiana |
| 35 | Wilma Scaggs | 29 | wife | — | Indiana |
| 36 | Barbara Scaggs | 9 | daughter | — | Indiana |
| 37 | William Scaggs | 5 | son | — | Indiana |
| 38 | Lloyd Scaggs | 3 | son | — | Indiana |
| 39 | Paul Scaggs | 2 | son | — | Indiana |
| 40 | Florence Scaggs | 1 | daughter | — | Indiana |
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)