JU
James Underwood — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jefferson-County, Alabama
Our Model Tree links this James Underwood across the 1910, 1920, 1930 and 1940 US Censuses in Jefferson-County, Alabama (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1908), then head of a 6-person household.
Age 32
b. ~1908
Male
Son
Born: Alabama
Divorced
1940 Census Record Details
| Census Year | 1940 |
| Location | Jefferson-County, Alabama |
| Surname | Underwood |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Divorced |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Additional Details | |
| Occupation | box maker |
| Industry | Box Manufact. Co |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Occupation | Box Maker |
| Township / Ward | Birmingham |
| Est. Birth Year | ~1908 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Martha Underwood | Other | — | 6 | ~1934 |
| James Underwood | Other | — | 9 | ~1931 |
| Iora Underwood | Head | — | 55 | ~1885 |
| James Underwood | Son | — | 32 | ~1908 |
| Carpenter Underwood | Son | — | 21 | ~1919 |
| Floy Underwood | Daughter | — | 34 | ~1906 |
Census Appearances
1910
Jefferson, Alabama
Son, age 1
Jefferson, Alabama · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| 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 |
1920
Jefferson, Alabama
Other, age 11
Jefferson, Alabama · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | James Jr. |
| Relationship to Head | Grandson |
| Sex | M |
| Color / Race | Black |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1930
Jefferson, Alabama
Son, age 21
Jefferson, Alabama · implied b. ~1909 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Underwood |
| Given Name | James F. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Alabama |
| Age at First Marriage | 20 |
| Father's Birthplace | Louisiana |
| Mother's Birthplace | Alabama |
| Occupation | Shoe Repairer |
| Industry | Shoe Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Jefferson-County, Alabama
Son, age 32
Jefferson-County, Alabama · implied b. ~1908 — 6 household members
| Surname | Underwood |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Divorced |
| Birthplace | Alabama |
| 1935 Residence (City) | Birmingham |
| 1935 Residence (County) | Jefferson |
| Occupation | box maker |
| Industry | Box Manufact. Co |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 624 |
| Highest Grade | Hs 4 |
| 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 James Underwood across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Underwood (~0.92 confidence) and father James Underwood (~0.92 confidence) and mother Alora Underwood (~0.92 confidence) and mother Clara Underwood (~0.92 confidence) and mother Iora Underwood (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Underwood
b. ~1881
Source father
● Household
· direct · ~0.92
Father
James Underwood
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Alora Underwood
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Clara Underwood
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Iora Underwood
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Underwood
Son · 1940 · age 32 · b. ~1908 · Alabama
★ You are viewing this record
Sibling
Carpenter Underwood
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floy Underwood
Sibling · 1940 · age 34
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 — Jefferson-County, Alabama
Open full size
1940 US Federal Census — Jefferson-County, Alabama
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-00098-00723)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Johnson | 64 | Head | Carpenter | North Carolina |
| 42 | Minnie Johnson | 58 | Wife | — | North Carolina |
| 43 | Harold Johnson | 30 | Son | — | North Carolina |
| 44 | Harriett Johnson | 25 | Daughter | — | Alabama |
| 45 | Albert Northrup | 45 | Head | Painter | Alabama |
| 46 | Nana Northrup | 42 | Wife | — | North Carolina |
| 47 | Albert Jr. Northrup | 20 | Son | Clerk - Office | Alabama |
| 48 | John Northrup | 16 | Son | — | Alabama |
| 49 | Charles Mayfield | 49 | Head | Retail Yard | Alabama |
| 50 | Willie Lou Mayfield | 43 | Wife | — | Alabama |
| 51 | Hoyt Mayfield | 17 | Son | — | Alabama |
| 52 | Mary Ryan | 46 | Head | — | Alabama |
| 53 | Nellie Ryan | 27 | Daughter | Saleswoman | Alabama |
| 54 | Ralph Ryan | 22 | Son | Machinist Help | Alabama |
| 55 | Sydney Ryan | 16 | Son | Core-Maker | Alabama |
| 56 | William Williams | 75 | Father | — | North Carolina |
| 57 | Clarence Blanks | 56 | Head | Salesman | Georgia |
| 58 | Ila Blanks | 47 | Wife | Flagman | Alabama |
| 59 | Rebecca Cooper | 56 | Head | Seamstress | Alabama |
| 60 | Katherine Phillips | 32 | Niece | — | Alabama |
| 61 | Iora Underwood | 55 | Head | — | Alabama |
| 62 | Floy Underwood | 34 | Daughter | — | Alabama |
| 63 | James Underwood THIS PERSON | 32 | Son | Box Maker | Alabama |
| 64 | James Jr. Underwood | 9 | Grand-son | — | Alabama |
| 65 | Martha Underwood | 6 | Grand-daughter | — | Alabama |
| 66 | Carpenter Underwood | 21 | Son | Box Maker | Alabama |
| 67 | George Jones | 65 | Head | Real Estate Agt | Alabama |
| 68 | Mattie Jones | 51 | Wife | — | Alabama |
| 69 | George Jr. Jones | 29 | Son | Loader | Alabama |
| 70 | Booker Jones | 27 | Son | Insurance Agent | Alabama |
| 71 | Arnold Jones | 19 | Son | — | Alabama |
| 72 | Horace Jones | 16 | Son | — | Alabama |
| 73 | Sylvia Jones | 12 | Daughter | — | Alabama |
| 74 | John Knox | 24 | Cousin | Fruit Peddler | Alabama |
| 75 | Cecil Woodard | 30 | Head | Teller | Alabama |
| 76 | Sarah Woodard | 27 | Wife | Marker | Alabama |
| 77 | Luna Templin | 68 | Mother-in-law | — | Alabama |
| 78 | James Eddings | 34 | Head | Service Salesman | Alabama |
Pedigree Summary
James + 2 siblings
Gen 1 · 5 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)