IS
Isaac Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Montgomery, Alabama
Our Model Tree links this Isaac Smith across the 1920, 1930 and 1940 US Censuses in Montgomery, Alabama (XGBoost, ~Confirmed), with identified parents Thomas & Clifford — first a son (b.~1918), then head of a 7-person household.
Age 12
b. ~1918
Male
Son
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Alabama |
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Precinct 2 |
| Est. Birth Year | ~1918 |
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 1930 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Linnie Smith | Daughter | — | 18 | ~1912 |
| Thomas Smith | Head | — | 57 | ~1873 |
| Ernest Smith | Other | — | 1 | ~1929 |
| Walter Smith | Other | — | 25 | ~1905 |
| Sarah Temple | Other | — | 18 | ~1912 |
| William Smith | Son | — | 20 | ~1910 |
| Isaac Smith | Son | — | 12 | ~1918 |
Census Appearances
1920
Montgomery, Alabama
Son, age 1
Montgomery, Alabama · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Isaac Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Mulatto |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Montgomery, Alabama
Son, age 12
Montgomery, Alabama · implied b. ~1918 — 7 household members
| Surname | Smith |
| Given Name | Isaac |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read/Write | No |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Montgomery-County, Alabama
Other, age 23
Montgomery-County, Alabama · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Ira |
| Relationship to Head | Lodger |
| Sex | M |
| Color / Race | Black |
| Age | 23 |
| Marital Status | Married |
| Birthplace | Alabama |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Occupation | Common Laborer |
| Industry | Brick yard |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 130 |
| Highest Grade | Hs 5 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
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 Thomas Smith (~0.92 confidence) and mother Clifford Smith (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Smith
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Clifford Smith
b. ~1900
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Isaac Smith
Son · 1930 · age 12 · b. ~1918 · Alabama
★ You are viewing this record
Sibling
Linnie Smith
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Smith
Sibling · 1930 · age 20
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
1930 US Federal Census — Montgomery, Alabama
Open full size
1930 US Federal Census — Montgomery, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus44usce:0687)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Lee | 22 | Wife-H | — | Alabama |
| 2 | Isaac Campbell | 54 | Head | Farmer | Alabama |
| 3 | Lulerta Campbell | 44 | Wife-H | — | Alabama |
| 4 | Bennie Campbell | 15 | Son | Farm Laborer | Alabama |
| 5 | Bertha Campbell | 12 | Daughter | Farm Laborer | Alabama |
| 6 | Lela Campbell | 10 | Daughter | — | Alabama |
| 7 | Lessie Campbell | 5 | Daughter | — | Alabama |
| 8 | Frank Campbell | 3 | Gr Son | — | Alabama |
| 9 | Ned Fields | 32 | Head | Farm Laborer | Alabama |
| 10 | Lessie Fields | 30 | Wife-H | — | Alabama |
| 11 | Willie Powell | 32 | Head | Farmer | Alabama |
| 12 | Mary Powell | 28 | Wife-H | — | Alabama |
| 13 | Lorenza Powell | 14 | Son | Farm Laborer | Alabama |
| 14 | Lillie Mae Powell | 12 | Daughter | — | Alabama |
| 15 | Annie Powell | 10 | Daughter | — | Alabama |
| 16 | Willie Powell | 8 | Son | — | Alabama |
| 17 | Allen Powell | 7 | Son | — | Alabama |
| 18 | Liza Anne Powell | 5 | Daughter | — | Alabama |
| 19 | Gertrude Powell | 3 | Daughter | — | Alabama |
| 20 | Lizzie Powell | 1 | Daughter | — | Alabama |
| 21 | Ophelia Fairfield | 60 | Head | Farm Laborer | Alabama |
| 22 | Kate Fairfield | 24 | Daughter | Laundress | Alabama |
| 23 | Eliza Fairfield | 10 | Daughter | — | Alabama |
| 24 | Fairfield | 5 | Gr Son | — | Alabama |
| 25 | Thomas Smith | 57 | Head | Farmer | Alabama |
| 26 | Walter Eugene Smith | 25 | Boarder | Farm Laborer | Alabama |
| 27 | Linnie Smith | 18 | Daughter | Farm Laborer | Alabama |
| 28 | William Smith | 20 | Son | Farm Laborer | Alabama |
| 29 | Sarah Temple | 18 | Boarder | Farm Laborer | Alabama |
| 30 | Isaac Smith THIS PERSON | 12 | Son | — | Alabama |
| 31 | Ernest Smith | 1 | Gr Son | — | Alabama |
| 32 | Dorsey Morris | 40 | Head | Farmer | Alabama |
| 33 | Lizzie Morris | 39 | Wife-H | — | Alabama |
| 34 | Jack Fields | 45 | Head | Farmer | Alabama |
| 35 | Mary Lou Fields | 40 | Wife-H | — | Alabama |
| 36 | Annie Fields | 18 | Daughter | Farm Laborer | Alabama |
| 37 | Lona Fields | 13 | Daughter | Farm Laborer | Alabama |
| 38 | Lucy Fields | 17 | Daughter | Farm Laborer | Alabama |
| 39 | Harold Fields | 16 | Son | — | Alabama |
| 40 | Lillian Fields | 8 | Daughter | — | Alabama |
| 41 | Josephine Fields | 5 | Daughter | — | Alabama |
| 42 | Will Wright | 50 | Head | Farmer | Alabama |
| 43 | Mary Lou Wright | 38 | Wife-H | — | Alabama |
| 44 | Idell Wright | 16 | Daughter | Farm Laborer | Alabama |
| 45 | Doc Fields | 48 | Head | Farmer | Alabama |
| 46 | Rosa Fields | 48 | Wife-H | — | Alabama |
| 47 | Lonza Fields | 22 | Daughter | Farm Laborer | Alabama |
| 48 | Ephriam Fields | 10 | Son | Farm Laborer | Alabama |
| 49 | Enoch Reeves | 43 | Head | Farmer | Alabama |
| 50 | Fannie Reeves | 29 | Wife-H | — | Alabama |
Pedigree Summary
Isaac + 2 siblings
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)