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Henry Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Indiana
Our Model Tree links this Henry Mason across the 1930 and 1940 US Censuses in Lake-County, Indiana (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 7-person household.
Age 19
b. ~1921
Male
Son
Born: Alabama
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Indiana |
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Gary city |
| 1935 Residence (County) | Lake |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No Hs 4 |
| 1935 Residence | Same house |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
| Township / Ward | Gary City |
| Est. Birth Year | ~1921 |
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 1940 census.
| Name | Relation to head | Relative to Henry | Age | Birth yr |
|---|---|---|---|---|
| Charlie Mason | Head | — | 51 | ~1889 |
| Rosie Mason | Spouse | — | 52 | ~1888 |
| Joseph Mason | Daughter | — | 21 | ~1919 |
| Finell Mason | Son | — | 17 | ~1923 |
| Ruby Mason | Daughter | — | 20 | ~1920 |
| Coleman Mason | Son | — | 26 | ~1914 |
| Henry Mason | Son | — | 19 | ~1921 |
Census Appearances
1930
Lake, Indiana
Son, age 9
Lake, Indiana · implied b. ~1921 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | son |
| Sex | M |
| Color / Race | Black |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Alabama |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Alabama |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Alabama |
| Birth Country | United States |
| Birthplace (normalized) | alabama |
1940
Lake-County, Indiana
Son, age 19
Lake-County, Indiana · implied b. ~1921 — 7 household members
| Surname | Mason |
| Given Name | Henry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Alabama |
| 1935 Residence (City) | Gary city |
| 1935 Residence (County) | Lake |
| Income (1939) | 0 |
| Highest Grade | No Hs 4 |
| 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 Henry Mason across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Henry Mason
Son · 1940 · age 19 · b. ~1921 · Indiana
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Sibling
Ruby Mason
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Coleman Mason
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Finell Mason
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mason
Sibling · 1940 · age 21
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 — Lake-County, Indiana
Open full size
1940 US Federal Census — Lake-County, Indiana
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01121-00519)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | J. W. Hawkins | 50 | Lodger | Labor | Ohio |
| 42 | James Green | 48 | Head | Labor | Florida |
| 43 | Ben Douglas | 22 | Husband | — | Mississippi |
| 44 | Ernestine Douglas | 22 | Wife | — | Tennessee |
| 45 | Hattie Galloway | 56 | Head | Maid | Kentucky |
| 46 | Archie Galloway | 29 | Husband | Labor | Indiana |
| 47 | Nettie Galloway | 20 | Wife | — | Kentucky |
| 48 | Cherry Bevills | 10 | Daughter | — | Indiana |
| 49 | Beverly Galloway | 2 | Daughter | — | Indiana |
| 50 | Bernice Davis | 29 | Head | — | Mississippi |
| 51 | Sylvester Davis | 36 | Husband | Shearing | Arkansas |
| 52 | William Davis | 14 | Son | — | Arkansas |
| 53 | Sylvester Jr Davis | 11 | Son | — | Indiana |
| 54 | Mary Sanders | 60 | Mother | — | Arkansas |
| 55 | Margret Taylor | 29 | Head | — | Kentucky |
| 56 | Bernice Taylor | 13 | Daughter | — | Indiana |
| 57 | Oscar Taylor | 12 | Son | — | Indiana |
| 58 | Patsy Taylor | 10 | Daughter | — | Indiana |
| 59 | Thomas Dixon | 24 | Lodger | — | Alabama |
| 60 | Percy Esters | 53 | Head | Loader | Louisiana |
| 61 | Jennie Esters | 37 | Wife | — | Louisiana |
| 62 | Maggie Esters | 12 | Daughter | — | Louisiana |
| 63 | Rose Johnson | 56 | Mother | — | Texas |
| 64 | Tom Bell | 45 | Head | Coke Plant | Arkansas |
| 65 | Beatrice Bell | 42 | Wife | — | Texas |
| 66 | Fred Kaufman | 33 | Head | Helper | Mississippi |
| 67 | Eliza Kaufman | 29 | Wife | — | Mississippi |
| 68 | Maggie Adkins | 74 | Mother | — | Mississippi |
| 69 | Ernest Giles | 44 | Head | Labor | Alabama |
| 70 | Sarah Giles | 32 | Wife | — | Alabama |
| 71 | Olea Giles | 20 | Son | Chipper | Alabama |
| 72 | Charlie Mason | 51 | Head | — | Alabama |
| 73 | Rosie Mason | 52 | Wife | — | Alabama |
| 74 | Coleman Mason | 26 | Son | Janitor | Alabama |
| 75 | Joseph Mason | 21 | Daughter | — | Alabama |
| 76 | Ruby Mae Mason | 20 | Daughter | — | Alabama |
| 77 | Henry Mason THIS PERSON | 19 | Son | — | Alabama |
| 78 | Finell Mason | 17 | Son | — | Indiana |
| 79 | Steve Grant | 36 | Head | — | 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)