MC
Martha Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chatham-County, Georgia
Our Model Tree links this Martha Cooper across the 1930 and 1940 US Censuses in Chatham-County, Georgia (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 6-person household.
Age 11
b. ~1929
Female
Daughter
Born: Georgia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chatham-County, Georgia |
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Savannah City |
| 1935 Residence (County) | Chatham |
| Additional Details | |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
| Township / Ward | Savannah City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Eleanor Cooper | Daughter | — | 13 | ~1927 |
| Elizabeth Duggan | Other | — | 28 | ~1912 |
| James Cooper | Head | — | 35 | ~1905 |
| James Cooper | Son | — | 14 | ~1926 |
| Martha Cooper | Daughter | — | 11 | ~1929 |
| Martha Cooper | Spouse | — | 30 | ~1910 |
Census Appearances
1930
Chatham, Georgia
Other, age 1
Chatham, Georgia · implied b. ~1929 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha E. |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Georgia |
| Father's Birthplace | Georgia |
| Mother's Birthplace | Alabama |
| Birth State | Georgia |
| Birth Country | United States |
| Birthplace (normalized) | georgia |
1940
Chatham-County, Georgia
Daughter, age 11
Chatham-County, Georgia · implied b. ~1929 — 6 household members
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Georgia |
| 1935 Residence (City) | Savannah City |
| 1935 Residence (County) | Chatham |
| Highest Grade | 5 |
| 1935 Residence | Same Place |
| 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 Cooper across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Cooper
Daughter · 1940 · age 11 · b. ~1929 · Georgia
★ You are viewing this record
Sibling
Eleanor Cooper
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Cooper
Sibling · 1940 · age 14
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 — Chatham-County, Georgia
Open full size
1940 US Federal Census — Chatham-County, Georgia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00652-00386)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clarence E. Haskins | 35 | Head | Traveling Salesman | Georgia |
| 2 | Marion Haskins | 36 | Wife | — | Missouri |
| 3 | Audrey Haskins | 12 | Daughter | — | Georgia |
| 4 | Carlotta Haskins | 11 | Daughter | — | Georgia |
| 5 | Elizabeth Barrett | 61 | Head | — | Georgia |
| 6 | Mary Barrett | 35 | Daughter | Clerical Clerk | Georgia |
| 7 | Alexander Barrett | 33 | Son | Clerical Clerk | Georgia |
| 8 | Walter J. Davis | 59 | Head | Lamp Trimmer | South Carolina |
| 9 | Winnie Davis | 58 | Wife | — | South Carolina |
| 10 | Hugh Davis | 34 | Son | Fireman | Georgia |
| 11 | Robbie Sue Davis | 25 | Daughter-in-law | — | Georgia |
| 12 | Margaret Davis | 28 | Daughter | Sec'Y N.Y.A. | Georgia |
| 13 | Eva Kate Davis | 27 | Daughter | Saleslady | Georgia |
| 14 | Joseph Davis | 22 | Son | Shipping Clerk | Georgia |
| 15 | Walter Jr. Davis | 19 | Son | — | Georgia |
| 16 | James H. Cooper | 35 | Head | Clerical Clerk | Georgia |
| 17 | Martha Cooper | 30 | Wife | — | Georgia |
| 18 | James H. Jr. Cooper | 14 | Son | — | Georgia |
| 19 | Eleanor Cooper | 13 | Daughter | — | Georgia |
| 20 | Martha Cooper THIS PERSON | 11 | Daughter | — | Georgia |
| 21 | Elizabeth Duggan | 28 | Sister-in-law | Beautician | Georgia |
| 22 | Frank Hodges | 26 | Head | Delivery Man | Georgia |
| 23 | Virginia Hodges | 20 | Wife | — | Georgia |
| 24 | Opal Frazier | 39 | Mother-in-law | Asst Manager | Georgia |
| 25 | John W. Frazier | 10 | Brother-in-law | — | Georgia |
| 26 | Thomas E. Warren | 64 | Head | — | Georgia |
| 27 | Freddie Warren | 61 | Wife | — | Georgia |
| 28 | Jeffry Allen | 23 | Head | Salesman | Georgia |
| 29 | Doris Allen | 22 | Wife | — | Georgia |
| 30 | Ulric Shine | 51 | Head | Manager | South Carolina |
| 31 | Elma Shine | 52 | Wife | — | Georgia |
| 32 | Charles S. Holford | 34 | Head | Machinist | Georgia |
| 33 | Eloise Holford | 41 | Sister | Stenographer | Georgia |
| 34 | Alice Allen | 46 | Sister | Stenographer | Georgia |
| 35 | George Wood | 53 | Head | Conductor | Florida |
| 36 | Jennie Wood | 43 | Wife | — | Georgia |
| 37 | Thelma Wood | 21 | Daughter | Stenographer | Georgia |
| 38 | Georgia Wood | 18 | Daughter | Telephonist | Georgia |
| 39 | James Wood | 16 | Son | — | Georgia |
| 40 | Glenn Wood | 14 | Son | — | 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)