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Henry Alexander — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mobile-County, Alabama
Our Model Tree links this Henry Alexander across the 1930 and 1940 US Censuses in Mobile-County, Alabama (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 11-person household.
Age 14
b. ~1926
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mobile-County, Alabama |
| Surname | Alexander |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Mobile City |
| 1935 Residence (County) | Mobile |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 4 |
| 1935 Residence | Same Place |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Mobile City |
| 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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Daniel Alexander | Son | — | 12 | ~1928 |
| Anna Alexander | Daughter | — | 9 | ~1931 |
| Frank Alexander | Son | — | 4 | ~1936 |
| Henry Alexander | Son | — | 14 | ~1926 |
| Blanche Alexander | Spouse | — | 43 | ~1897 |
| Eunice Alexander | Daughter | — | 7 | ~1933 |
| Sydney Alexander | Head | — | 45 | ~1895 |
| Dorothy Alexander | Daughter | — | 22 | ~1918 |
| Marjorie Alexander | Daughter | — | 18 | ~1922 |
| Bessie Alexander | Daughter | — | 15 | ~1925 |
| Lillie Alexander | Daughter | — | 11 | ~1929 |
Census Appearances
1930
Mobile, Alabama
Son, age 3
Mobile, Alabama · implied b. ~1927 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Alexander |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Mobile-County, Alabama
Son, age 14
Mobile-County, Alabama · implied b. ~1926 — 11 household members
| Surname | Alexander |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Mobile City |
| 1935 Residence (County) | Mobile |
| Class of Worker | 0 |
| Highest Grade | No 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 Henry Alexander across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Alexander
Son · 1940 · age 14 · b. ~1926 · Alabama
★ You are viewing this record
Sibling
Frank Alexander
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Alexander
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Alexander
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillie Alexander
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bessie Alexander
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Alexander
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eunice Alexander
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Alexander
Sibling · 1940 · age 9
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 — Mobile-County, Alabama
Open full size
1940 US Federal Census — Mobile-County, Alabama
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00064-01038)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lonnie Robbins | 63 | Head | Foreman | Alabama |
| 42 | Rosa Robbins | 50 | Wife | — | Alabama |
| 43 | Hollie Blanche Robbins | 25 | Daughter | Waitress | Alabama |
| 44 | Sydney Alexander | 45 | Head | Painter | Alabama |
| 45 | Blanche Alexander | 43 | Wife | — | Alabama |
| 46 | Dorothy Alexander | 22 | Daughter | Maid | Alabama |
| 47 | Marjorie Alexander | 18 | Daughter | — | Alabama |
| 48 | Daniel Alexander | 12 | Son | Delivery Boy | Alabama |
| 49 | Henry Alexander THIS PERSON | 14 | Son | — | Alabama |
| 50 | Bessie Mae Alexander | 15 | Daughter | — | Alabama |
| 51 | Lillie Mae Alexander | 11 | Daughter | — | Alabama |
| 52 | Anna Mary Alexander | 9 | Daughter | — | Alabama |
| 53 | Eunice Alexander | 7 | Daughter | — | Alabama |
| 54 | Frank Alexander | 4 | Son | — | Alabama |
| 55 | Thomas Allen | 31 | Head | Truck Helper | Alabama |
| 56 | Ethelreil Allen | 19 | Wife | — | Alabama |
| 57 | Merdice Allen | 3 | Daughter | — | Alabama |
| 58 | Annette Allen | 1 | Daughter | — | Alabama |
| 59 | Claudia Turner | 38 | Mother-in-law | Silk Finisher | Alabama |
| 60 | Butler Williams | 75 | Lodger | — | Alabama |
| 61 | Sister Bingham | 17 | Sister-in-law | Maid | Alabama |
| 62 | Joe Bingham | 54 | Brother-in-law | Waiter | Tennessee |
| 63 | Julius Prichard | 19 | Lodger | Laborer | Alabama |
| 64 | Lucille Craig | 38 | Head | — | Alabama |
| 65 | Eloise Quinnie | 25 | Daughter | Maid | Alabama |
| 66 | Grace Williams | 56 | Head | Charwoman | Alabama |
| 67 | Willie Williams | 27 | Son | Charwoman | Alabama |
| 68 | Willie Jacobs | 42 | Cousin | Maid | Alabama |
| 69 | Berdie Edwards | 7 | Cousin | — | Alabama |
| 70 | Andrew Evans | 32 | Head | Longshoreman | Alabama |
| 71 | Minnie Lee Evans | 32 | Wife | Longshoreman | Alabama |
| 72 | Frances Evans | 12 | Daughter | — | Alabama |
| 73 | Andrew Evans | 10 | Son | — | Alabama |
| 74 | Elizabeth Evans | 9 | Daughter | — | Alabama |
| 75 | Hosea Evans | 7 | Son | — | Alabama |
| 76 | Rochester Evans | 6 | Son | — | Alabama |
| 77 | Willie Ray Evans | 4 | Son | — | Alabama |
| 78 | Cornelius Evans | 2 | Son | — | Alabama |
| 79 | Roosevelt Cotton | 31 | Head | Pipe Machine Operator | Mississippi |
| 80 | Rosella Cotton | 28 | Wife | — | Mississippi |
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)