WU
William Underwood — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Barbour-County, Alabama
Our Model Tree links this William Underwood across the 1930 and 1940 US Censuses in Barbour-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1928), then head of a 8-person household.
Age 12
b. ~1928
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Barbour-County, Alabama |
| Surname | Underwood |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 10, Coxs |
| 1935 Residence (County) | Barbour |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Beat 10 Coxs |
| Est. Birth Year | ~1928 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Ernest Underwood | Son | — | 7 | ~1933 |
| Annette Underwood | Daughter | — | 3 | ~1937 |
| James Underwood | Son | — | 11 | ~1929 |
| Willie Underwood | Daughter | — | 9 | ~1931 |
| Jake Underwood | Head | — | 42 | ~1898 |
| Woodrow Underwood | Son | — | 10 | ~1930 |
| Florence Underwood | Spouse | — | 36 | ~1904 |
| William Underwood | Son | — | 12 | ~1928 |
Census Appearances
1930
Barbour, Alabama
Son, age 2
Barbour, Alabama · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Barbour-County, Alabama
Son, age 12
Barbour-County, Alabama · implied b. ~1928 — 8 household members
| Surname | Underwood |
| Given Name | William C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Beat 10, Coxs |
| 1935 Residence (County) | Barbour |
| Income (1939) | 0 |
| Highest Grade | No 2 |
| 1935 Residence | Same House |
| 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 William Underwood across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Underwood
Son · 1940 · age 12 · b. ~1928 · Alabama
★ You are viewing this record
Sibling
Willie Underwood
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annette Underwood
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ernest Underwood
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Underwood
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Woodrow Underwood
Sibling · 1940 · age 10
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 — Barbour-County, Alabama
Open full size
1940 US Federal Census — Barbour-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00003-00655)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carrine Herring | 41 | wife | — | Alabama |
| 2 | George Henry Herring | 17 | son | Laborer | Alabama |
| 3 | Kate Herring | 15 | daughter | — | Alabama |
| 4 | Harry Lee Herring | 10 | son | — | Alabama |
| 5 | Albert Herring | 7 | son | — | Alabama |
| 6 | Robert Herring | 5 | son | — | Alabama |
| 7 | Nettie Herring | 2 | daughter | — | Alabama |
| 8 | Jake Underwood | 42 | Head | Farmer | Alabama |
| 9 | Florence Underwood | 36 | Wife | — | Alabama |
| 10 | William C. Underwood THIS PERSON | 12 | Son | — | Alabama |
| 11 | James T. Underwood | 11 | Son | — | Alabama |
| 12 | Woodrow Underwood | 10 | Son | — | Alabama |
| 13 | Willie Kate Underwood | 9 | daughter | — | Alabama |
| 14 | Ernest J. Underwood | 7 | Son | — | Alabama |
| 15 | Annette Underwood | 3 | daughter | — | Alabama |
| 16 | Daniel Dominey | 79 | Head | Farmer | Alabama |
| 17 | Janie Dominey | 60 | wife | — | Alabama |
| 18 | Sylvester Mack | 44 | Head | Farmer | Alabama |
| 19 | Ira Belle Mack | 30 | wife | — | Alabama |
| 20 | Catherine Mack | 14 | daughter | — | Alabama |
| 21 | Shellie Mae Mack | 12 | daughter | — | Alabama |
| 22 | Pauline Mack | 10 | daughter | — | Alabama |
| 23 | Jewel Mack | 8 | daughter | — | Alabama |
| 24 | Clyde Mack | 7 | son | — | Alabama |
| 25 | Bonnie Mack | 4 | daughter | — | Alabama |
| 26 | Victor Riley | 26 | Head | Laborer | Alabama |
| 27 | Bonnie Riley | 21 | wife | — | Alabama |
| 28 | William Riley | 2 | son | — | Alabama |
| 29 | Shelton Clayton | 48 | Head | Farmer | Alabama |
| 30 | Madie Clayton | 37 | wife | — | Alabama |
| 31 | James Clayton | 19 | son | — | Alabama |
| 32 | Alberta Clayton | 16 | daughter | — | Alabama |
| 33 | Roy Clayton | 11 | son | — | Alabama |
| 34 | Willie C. Clayton | 8 | son | — | Alabama |
| 35 | Walter Floyd | 53 | Head | Farmer | Alabama |
| 36 | Mattie Floyd | 52 | wife | — | Alabama |
| 37 | Albert Owens | 41 | Head | Farmer | Alabama |
| 38 | Frances Owens | 31 | wife | — | Alabama |
| 39 | Albert Jr. Owens | 14 | son | — | Alabama |
| 40 | L. K. Norton | 54 | Head | Farmer | Alabama |
Related Census Records
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)