MN
Martha Nelson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cobb-County, Georgia
Our Model Tree links this Martha Nelson across the 1930 and 1940 US Censuses in Cobb-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cobb-County, Georgia |
| Surname | Nelson |
| Given Name | Martha Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Marietta |
| 1935 Residence (County) | Cobb |
| Additional Details | |
| Industry | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same house |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Marietta |
| Est. Birth Year | ~1928 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Martha Nelson | Daughter | — | 12 | ~1928 |
| Laura Nelson | Daughter | — | 9 | ~1931 |
| Charles Nelson | Head | — | 35 | ~1905 |
| Willie Nelson | Spouse | — | 35 | ~1905 |
| Helen Nelson | Daughter | — | 7 | ~1933 |
| Charles Nelson | Son | — | 15 | ~1925 |
| Mary Nelson | Daughter | — | 5 | ~1935 |
Census Appearances
1930
Cobb, Georgia
Daughter, age 2
Cobb, Georgia · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Nelson |
| Given Name | Martha J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Georgia |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Cobb-County, Georgia
Daughter, age 12
Cobb-County, Georgia · implied b. ~1928 — 7 household members
| Surname | Nelson |
| Given Name | Martha Jean |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Marietta |
| 1935 Residence (County) | Cobb |
| Industry | 0 |
| Highest Grade | G 6 |
| 1935 Residence | Same house |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
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 Nelson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Nelson
Daughter · 1940 · age 12 · b. ~1928 · Georgia
★ You are viewing this record
Sibling
Helen Nelson
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Nelson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Laura Nelson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Nelson
Sibling · 1940 · age 5
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 — Cobb-County, Georgia
Open full size
1940 US Federal Census — Cobb-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00658-00337)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Henry L. Williams | 34 | Head | Shipping Clerk | Georgia |
| 2 | Mae (X) Williams | 30 | Wife | — | Georgia |
| 3 | Henry Jr. Williams | 12 | Son | — | Georgia |
| 4 | Stanley Williams | 9 | Son | — | Georgia |
| 5 | Joann Williams | 7 | Daughter | — | Georgia |
| 6 | Laura Gonzalez | 73 | Mother in law | — | Tennessee |
| 7 | J. V. Nelson | 60 | Head | Machinist | Georgia |
| 8 | Lena (X) Nelson | 60 | Wife | — | Georgia |
| 9 | Charles B. Nelson | 35 | Head | Electrical Engr. | Georgia |
| 10 | Willie Grace (X) Nelson | 35 | Wife | — | Georgia |
| 11 | Charles Jr. Nelson | 15 | Son | — | Georgia |
| 12 | Martha Jean Nelson THIS PERSON | 12 | Daughter | — | Georgia |
| 13 | Laura Ann Nelson | 9 | Daughter | — | Georgia |
| 14 | Helen June Nelson | 7 | Daughter | — | Georgia |
| 15 | Mary Grace Nelson | 5 | Daughter | — | Georgia |
| 16 | J. N. Beumer | 28 | Head | Assembler | Georgia |
| 17 | Mary Beumer | 28 | Wife | Pay Roll | Georgia |
| 18 | J. M. (X) Beumer | 70 | Father | — | Georgia |
| 19 | Lucile (X) Sessions | 38 | Head | — | Georgia |
| 20 | Frank B. Willson | 44 | Boarder | Sales Mgr. | Georgia |
| 21 | Helen B. Willson | 44 | Boarder | — | California |
| 22 | Margaret Willson | 16 | Boarder | — | California |
| 23 | George Kappes | 53 | Boarder | Superintendent | Germany |
| 24 | Percy Long | 66 | Boarder | E | New York |
| 25 | Leonora Long | 56 | Boarder | — | New York |
| 26 | Ella Weeks Brown | 79 | Boarder | — | Michigan |
| 27 | Ernest Christian | 35 | Servant | Servant | Georgia |
| 28 | C. Q. Hewitt | 67 | Head | Mechanical Engineer | Pennsylvania |
| 29 | C. W. (X) Hewitt | 58 | Wife | — | Kentucky |
| 30 | Emmalouise Hewitt | 25 | Daughter | Secretary | Georgia |
| 31 | Sylvia Barbara Hewitt | 23 | Daughter | — | Georgia |
| 32 | Samuel Hale Sibley | 66 | Head | Judge | Georgia |
| 33 | Florence Weldon Sibley | 63 | Wife | — | Virginia |
| 34 | Florence Sibley | 31 | Daughter | Librarian | Georgia |
| 35 | E. Truman Fletcher | 34 | Head | Traveling Salesman | Texas |
| 36 | Ennie (X) Fletcher | 28 | Wife | — | Illinois |
| 37 | Dorothy C. Brown | 26 | Lodger | Social Work | Florida |
| 38 | Theodore Miller | 23 | Head | Owner And Operator | Georgia |
| 39 | Gertrude M. Miller | 22 | Wife | Head Co. Dept. | Georgia |
| 40 | Gertrude Ireland | 57 | Mother in law | — | Georgia |
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)