IS
Isaac Smith — 1940 US Census Record
Model Tree available1940 United States Federal Census · Yazoo-County, Mississippi
Our Model Tree links this Isaac Smith across the 1920, 1930 and 1940 US Censuses in Yazoo-County, Mississippi (XGBoost, ~Confirmed), with identified parents Mike & Lucy — first a head (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Head
Born: Mississippi
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Yazoo-County, Mississippi |
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Yazoo City |
| 1935 Residence (County) | Yazoo |
| Additional Details | |
| Occupation | Maid |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 70 |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Maid |
| Township / Ward | Yazoo City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Mary Smith | Daughter | — | 3 | ~1937 |
| Isaac Smith | Head | — | 27 | ~1913 |
| Nathaniel Smith | Son | — | 4 | ~1936 |
| Henry Smith | Son | — | 6 | ~1934 |
Census Appearances
1920
Franklin, Louisiana
Son, age 8
Franklin, Louisiana · implied b. ~1912 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1930
Yazoo, Mississippi
Son, age 18
Yazoo, Mississippi · implied b. ~1912 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Can Read/Write | Yes |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Yazoo-County, Mississippi
Head, age 27
Yazoo-County, Mississippi · implied b. ~1913 — 4 household members
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Mississippi |
| 1935 Residence (City) | Yazoo City |
| 1935 Residence (County) | Yazoo |
| Occupation | Maid |
| Industry | Hotel |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 70 |
| Highest Grade | No 4 |
| 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 3 locations, using XGBoost record linkage. Identified parents: father Mike Smith (~0.92 confidence) and mother Lucy Smith (~0.92 confidence) and mother Lizzie Smith (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mike Smith
b. ~1883
Source father
● Household
· direct · ~0.92
Mother
Lucy Smith
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Lizzie Smith
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Smith
Head · 1940 · age 27 · b. ~1913 · 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 — Yazoo-County, Mississippi
Open full size
1940 US Federal Census — Yazoo-County, Mississippi
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02080-00425)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Annie Watkins | 45 | Head | Cook | Mississippi |
| 42 | Jennie Johnson | 40 | Sister | — | Mississippi |
| 43 | Rosa Simpkins | 47 | Head | Laundress | Mississippi |
| 44 | Isaac Smith THIS PERSON | 27 | Head | Maid | Mississippi |
| 45 | Henry Jr Smith | 6 | Son | — | Mississippi |
| 46 | Nathaniel Smith | 4 | Son | — | Mississippi |
| 47 | Mary Rosetta Smith | 3 | Daughter | — | Mississippi |
| 48 | Ella Julius | 33 | Head | Laundress | Mississippi |
| 49 | Leroy Dancy | 33 | Boarder | Laborer | Louisiana |
| 50 | Nellie Dancy | 33 | Daughter | Maid | Mississippi |
| 51 | Rose Jane Dancy | 11 | Daughter | Laundress | Mississippi |
| 52 | Lizzie Montgomery | 67 | Head | — | Mississippi |
| 53 | Fullmore Cellie | 37 | Grandson | Laborer | Mississippi |
| 54 | Leroy Cellie | 25 | Grandson | Laborer | Mississippi |
| 55 | Ed Lammie | 12 | Grandson | — | Mississippi |
| 56 | Nessie Mason | 25 | Head | Cook | Mississippi |
| 57 | Lucy Jefferson | 27 | Cousin | — | Mississippi |
| 58 | Mary Williams | 25 | Cousin | — | Mississippi |
| 59 | Ruby L Neal | 20 | Niece | — | Mississippi |
| 60 | Edwina Jefferson | 12 | Daughter | — | Mississippi |
| 61 | Jerry Harris | 33 | Head | Laborer | Mississippi |
| 62 | Lily Mae Harris | 21 | Wife | — | Mississippi |
| 63 | Robert Harris | 13 | Son | — | Mississippi |
| 64 | Bobby Joe Harris | 8 | Son | — | Mississippi |
| 65 | Lottie Harris | 5 | Daughter | — | Mississippi |
| 66 | George Jones | 46 | Head | Laborer | Mississippi |
| 67 | Rosa Lee Jones | 45 | Wife | — | Mississippi |
| 68 | Elizabeth Crawford | 65 | Head | — | Mississippi |
| 69 | Albert A Crawford | 45 | Son | Laborer | Mississippi |
| 70 | May Crawford | 40 | Daughter-in-law | — | Mississippi |
| 71 | May Elizabeth Crawford | 16 | Granddaughter | — | Mississippi |
| 72 | Pinkie Page | 50 | Head | Laundress | Mississippi |
| 73 | James Page | 33 | Son | — | Mississippi |
| 74 | Bradley Page | 29 | Son | Barber | Mississippi |
| 75 | Ashbrook Page | 26 | Son | Porter | Mississippi |
| 76 | Louis Hardeman | 48 | Sister | Cook | Mississippi |
| 77 | Louis Henderson | 46 | Head | Laborer | Mississippi |
| 78 | Katherine Henderson | 45 | Wife | — | Mississippi |
| 79 | Booker T Henderson | 20 | Son | — | Mississippi |
Pedigree Summary
Isaac
Gen 1 · 3 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)