IS
Isaac Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Madison-County, Mississippi
Our Model Tree links this Isaac Smith across the 1920, 1930 and 1940 US Censuses in Madison-County, Mississippi (XGBoost, ~Confirmed), with identified parents Isaac & Hattie — first a head (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Madison-County, Mississippi |
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Madison |
| Additional Details | |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 44 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farmer |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1912 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Smith | Head | — | 28 | ~1912 |
| Willie Smith | Son | — | 13 | ~1927 |
| Virgie Smith | Spouse | — | 28 | ~1912 |
Census Appearances
1920
Madison, Mississippi
Son, age 9
Madison, Mississippi · implied b. ~1911 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Madison, Mississippi
Son, age 19
Madison, Mississippi · implied b. ~1911 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | Farm Laborer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Madison-County, Mississippi
Head, age 28
Madison-County, Mississippi · implied b. ~1912 — 3 household members
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Madison |
| Occupation | Farmer |
| Industry | Farming |
| Class of Worker | OA |
| Hours Worked | 44 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Isaac Smith across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Isaac Smith (~0.92 confidence) and mother Hattie Smith (~0.92 confidence) and mother Ada Smith (~0.92 confidence) and father Charlie Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Smith
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Hattie Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Ada Smith
b. ~1873
Source mother
● Household
· direct · ~0.92
Father
Charlie Smith
b. ~1875
Source father
● Household
· direct · ~0.92
This person
Anchor record
Isaac Smith
Head · 1940 · age 28 · b. ~1912 · Mississippi
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Madison-County, Mississippi
Open full size
1940 US Federal Census — Madison-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02047-00801)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Gray | 35 | Head | Laborer | Mississippi |
| 42 | Annie Lee Gray | 30 | Wife | — | Mississippi |
| 43 | Thomas Lee Harris | 9 | Nephew | — | Mississippi |
| 44 | Isaac Smith THIS PERSON | 28 | Head | Farmer | Mississippi |
| 45 | Virgie Lee Smith | 28 | Wife | — | Mississippi |
| 46 | Willie Smith | 13 | Son | — | Mississippi |
| 47 | John Henry Walker | 35 | Head | Farmer | Mississippi |
| 48 | Louisa Walker | 32 | Wife | — | Mississippi |
| 49 | John Henry Jr. Walker | 16 | Son | Student | Mississippi |
| 50 | Jessie Walker | 12 | Son | — | Mississippi |
| 51 | Lillie Mae Walker | 7 | Daughter | — | Mississippi |
| 52 | Eunice Walker | 5 | Daughter | — | Mississippi |
| 53 | Robert L. Walker | 3 | Son | — | Mississippi |
| 54 | Sara Walker | 66 | Mother | — | Mississippi |
| 55 | Henry Smith | 65 | Head | Farmer | Mississippi |
| 56 | Cynthia Smith | 62 | Wife | — | Mississippi |
| 57 | Mary Wright | 62 | Lodger | — | Mississippi |
| 58 | Garfield Wilder | 52 | Head | Farmer | Mississippi |
| 59 | Maggie Wilder | 48 | Wife | — | Mississippi |
| 60 | Billie Wilder | 20 | Son | Student | Mississippi |
| 61 | Jimmie Wilder | 18 | Son | Student | Mississippi |
| 62 | Lloyd Glyn Wilder | 14 | Son | Student | Mississippi |
| 63 | Margaret Wilder | 6 | Daughter | — | Mississippi |
| 64 | J. D. Matlock | 60 | Head | Farmer | Mississippi |
| 65 | Annie Mable Matlock | 46 | Wife | — | Mississippi |
| 66 | James Allen Matlock | 25 | Son | — | Mississippi |
| 67 | Eugene Matlock | 19 | Son | Fountain Clerk | Mississippi |
| 68 | Marion Louise Matlock | 17 | Son | — | Mississippi |
| 69 | Roy Mc Bride Matlock | 14 | Son | — | Mississippi |
| 70 | Raymond G. Matlock | 6 | Son | — | Mississippi |
| 71 | Mrs. Mary C. Matlock | 80 | Mother | — | Mississippi |
| 72 | Margaret E. Matlock | 58 | Sister | — | Mississippi |
| 73 | Mrs. Mary P. Brown | 61 | Sister | — | Mississippi |
| 74 | Forrester Griffin | 22 | Head | Farmer | Mississippi |
| 75 | Susie Mae Griffin | 20 | Wife | — | Mississippi |
| 76 | Delois Griffin | 1 | Daughter | — | Mississippi |
| 77 | Henry Griffin | 70 | Head | Farmer | Mississippi |
| 78 | Fannie Griffin | 70 | Wife | — | Mississippi |
| 79 | Herman Griffin | 19 | Son | Laborer | Mississippi |
| 80 | Corrine Griffin | 17 | Daughter | — | Mississippi |
Related Census Records
Pedigree Summary
Isaac
Gen 1 · 4 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)