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Robert Williamson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pike, Alabama
Our Model Tree links this Robert Williamson across the 1930 and 1940 US Censuses in Pike, Alabama (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 4
b. ~1926
Male
Son
Born: Alabama
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pike, Alabama |
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Additional Details | |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 9 |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Irma Williamson | Daughter | — | 15 | ~1915 |
| Mary Williamson | Daughter | — | 13 | ~1917 |
| Thelma Williamson | Spouse | — | 3 | ~1927 |
| Thelma Williamson | Daughter | — | 1 | ~1929 |
| Joe Williamson | Son | — | 1 | ~1929 |
| Robert Williamson | Son | — | 4 | ~1926 |
| Willie Williamson | Head | — | 22 | ~1908 |
| Jack Williamson | Son | — | 7 | ~1923 |
| Ruth Williamson | Spouse | — | 24 | ~1906 |
Census Appearances
1930
Pike, Alabama
Son, age 4
Pike, Alabama · implied b. ~1926 — 9 household members
| Surname | Williamson |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Pike-County, Alabama
Son, age 15
Pike-County, Alabama · implied b. ~1925 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williamson |
| Given Name | Ross |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Pike |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 54 |
| Income (1939) | 0 |
| Highest Grade | No 6 |
| 1935 Residence | Alabama |
| 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 Robert Williamson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Williamson
Son · 1930 · age 4 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Thelma Williamson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Williamson
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Williamson
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Irma Williamson
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jack Williamson
Sibling · 1930 · age 7
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 — Pike, Alabama
Open full size
1930 US Federal Census — Pike, Alabama
Page Contents
50 people indexed on this census page (ia:1930:15thcensus46usce:1019)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Willie Williamson | 22 | Head | Farmer | Alabama |
| 2 | Ruth Williamson | 24 | Wife | — | Alabama |
| 3 | Thelma Williamson | 3 | Wife | — | Alabama |
| 4 | Joe Williamson | 1 | Son | — | Alabama |
| 5 | Irma Williamson | 15 | Daughter | — | Alabama |
| 6 | Mary Williamson | 13 | Daughter | — | Alabama |
| 7 | Jack Williamson | 7 | Son | — | Alabama |
| 8 | Robert Williamson THIS PERSON | 4 | Son | — | Alabama |
| 9 | Thelma Williamson | 1 | Daughter | — | Alabama |
| 10 | John Williamson | 42 | Head | Farmer | Alabama |
| 11 | Lula Williamson | 45 | Wife | — | Alabama |
| 12 | John Williamson | 20 | Son | Farm Laborer | Alabama |
| 13 | Lula Williamson | 15 | Daughter | Farm Laborer | Alabama |
| 14 | Willie Williamson | 14 | Son | — | Alabama |
| 15 | Annie Williamson | 12 | Daughter | — | Alabama |
| 16 | James Williamson | 10 | Son | — | Alabama |
| 17 | Lula Williamson | 9 | Daughter | — | Alabama |
| 18 | Willie Williamson | 23 | Head | Farmer | Alabama |
| 19 | Lula Williamson | 20 | Wife | — | Alabama |
| 20 | Willie Williamson | 3 | Son | — | Alabama |
| 21 | Lula Williamson | 2 | Daughter | — | Alabama |
| 22 | John Williamson | 57 | Head | Farmer | Alabama |
| 23 | Lula Williamson | 57 | Wife | — | Alabama |
| 24 | Willie Williamson | 20 | Son | — | Alabama |
| 25 | Lula Williamson | 15 | Daughter | — | Alabama |
| 26 | Joe Enright | 50 | Head | Farmer | Alabama |
| 27 | Lula Enright | 43 | Wife | — | Alabama |
| 28 | Willie Enright | 15 | Son | — | Alabama |
| 29 | Lula Enright | 12 | Daughter | — | Alabama |
| 30 | Joe Enright | 10 | Son | — | Alabama |
| 31 | Lula Enright | 5 | Daughter | — | Alabama |
| 32 | Joe Enright | 2 | Son | — | Alabama |
| 33 | Willie Stroud | 35 | Head | Farmer | Alabama |
| 34 | Lula Stroud | 27 | Wife | — | Alabama |
| 35 | Willie Stroud | 11 | Son | — | Alabama |
| 36 | Lula Stroud | 13 | Daughter | — | Alabama |
| 37 | Joe Stroud | 11 | Son | — | Alabama |
| 38 | Lula Stroud | 8 | Daughter | — | Alabama |
| 39 | Joe Stroud | 6 | Son | — | Alabama |
| 40 | Lula Stroud | 4 | Daughter | — | Alabama |
| 41 | Joe Stroud | 2 | Son | — | Alabama |
| 42 | Lula Stroud | 72 | Mother | — | Alabama |
| 43 | Willie Stroud | 50 | Head | Farmer | Alabama |
| 44 | Lula Stroud | 42 | Wife | — | Alabama |
| 45 | Willie Stroud | 15 | Son | Farm Laborer | Alabama |
| 46 | Lula Stroud | 10 | Daughter | — | Alabama |
| 47 | Joe Stroud | 5 | Son | — | Alabama |
| 48 | Willie Stroud | 55 | Head | Farmer | Alabama |
| 49 | Lula Stroud | 25 | Wife | — | Alabama |
| 50 | Joe Stroud | 5 | Son | — | Alabama |
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)