MC
Martha Cook — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cabarrus-County, North Carolina
Our Model Tree links this Martha Cook across the 1930 and 1940 US Censuses in Cabarrus-County, North Carolina (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Female
Daughter
Born: North Carolina
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cabarrus-County, North Carolina |
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | City View |
| 1935 Residence (County) | Cabarrus |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Township / Ward | City View |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Miriam Cook | Daughter | — | 6 | ~1934 |
| Kenneth Cook | Son | — | 15 | ~1925 |
| Martha Cook | Spouse | — | 42 | ~1898 |
| Eunice Cook | Daughter | — | 19 | ~1921 |
| Martha Cook | Daughter | — | 13 | ~1927 |
| Charles Cook | Head | — | 41 | ~1899 |
| Ruby Cook | Daughter | — | 20 | ~1920 |
| Bernard Cook | Son | — | 3 | ~1937 |
| Ruth Cook | Daughter | — | 11 | ~1929 |
| Marlyn Cook | Daughter | — | 9 | ~1931 |
Census Appearances
1930
Cabarrus, North …
Daughter, age 3
Cabarrus, North Carolina · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | South Carolina |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Cabarrus-County, North …
Daughter, age 13
Cabarrus-County, North Carolina · implied b. ~1927 — 10 household members
| Surname | Cook |
| Given Name | Martha |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | North Carolina |
| 1935 Residence (City) | City View |
| 1935 Residence (County) | Cabarrus |
| Highest Grade | No 7 |
| 1935 Residence | Same House |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Cook across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Cook
Daughter · 1940 · age 13 · b. ~1927 · North Carolina
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Sibling
Eunice Cook
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Cook
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Cook
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Cook
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marlyn Cook
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruby Cook
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Miriam Cook
Sibling · 1940 · age 6
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 — Cabarrus-County, North Carolina
Open full size
1940 US Federal Census — Cabarrus-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02882-00308)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ida Cochrane | 69 | Head | — | North Carolina |
| 2 | Pearl Cochrane | 37 | daughter | Clerk | North Carolina |
| 3 | Emma Cochrane | 33 | daughter | — | North Carolina |
| 4 | Edna Cochrane | 31 | daughter | Clerical Work | North Carolina |
| 5 | Frank Barringer | 21 | Head | Yarner | North Carolina |
| 6 | May Barringer | 17 | wife | New Worker | North Carolina |
| 7 | Cletus Morgan | 28 | Head | Opener | North Carolina |
| 8 | Alma Morgan | 23 | wife | New Worker | North Carolina |
| 9 | Ray Morgan | 4 | son | — | North Carolina |
| 10 | Loretta Morgan | 2 | daughter | — | North Carolina |
| 11 | Peter Mcdaniel | 44 | Head | — | North Carolina |
| 12 | Henry Mcdaniel | 20 | son | Warper | North Carolina |
| 13 | Edward Mcdaniel | 10 | son | — | North Carolina |
| 14 | Irene Mcdaniel | 18 | daughter | — | North Carolina |
| 15 | Lula Mcdaniel | 14 | daughter | — | North Carolina |
| 16 | Lewis Mcdaniel | 12 | son | — | North Carolina |
| 17 | John H. Russell | 61 | Head | Merchant | North Carolina |
| 18 | Charles B. Cook | 41 | Head | Dealer | North Carolina |
| 19 | Martha Cook | 42 | wife | — | South Carolina |
| 20 | Ruby (Al) Cook | 20 | daughter | Nursing | North Carolina |
| 21 | Eunice (Al) Cook | 19 | daughter | — | North Carolina |
| 22 | Kenneth Cook | 15 | son | — | North Carolina |
| 23 | Martha Cook THIS PERSON | 13 | daughter | — | North Carolina |
| 24 | Ruth Cook | 11 | daughter | — | North Carolina |
| 25 | Marlyn Cook | 9 | daughter | — | North Carolina |
| 26 | Miriam Cook | 6 | daughter | — | North Carolina |
| 27 | Bernard Cook | 3 | son | — | North Carolina |
| 28 | Carl Harwood | 32 | Head | Spare Hand | North Carolina |
| 29 | Hallie Harwood | 29 | wife | Speeder | North Carolina |
| 30 | Vance Dry | 24 | Head | Truck Driver | North Carolina |
| 31 | Lillian Dry | 20 | wife | Frame Spinner | North Carolina |
| 32 | Vance Jr. Dry | 2 | son | — | North Carolina |
| 33 | Betty Jean Dry | 1 | daughter | — | North Carolina |
| 34 | Nannie Helton | 43 | Mother-in-law | Housekeeper | North Carolina |
| 35 | James Helton | 26 | brother | Twister Frame | North Carolina |
| 36 | Luther Thompson | 43 | Head | Warper Frame | North Carolina |
| 37 | Hattie Thompson | 42 | wife | Spinner | Texas |
| 38 | Pauline Thompson | 22 | daughter | Low Winder | North Carolina |
| 39 | Lee Ray Thompson | 19 | son | Dolphin | North Carolina |
| 40 | Irene Thompson | 18 | daughter | New Worker | North Carolina |
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)