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Helen Mason — 1940 US Census Record
Model Tree available1940 United States Federal Census · Davidson-County, Tennessee
Our Model Tree links this Helen Mason across the 1920, 1930 and 1940 US Censuses in Davidson-County, Tennessee (XGBoost, ~Confirmed), with identified parents Frank & Isaac — first a daughter (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Female
Daughter
Born: Tennessee
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Davidson-County, Tennessee |
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Additional Details | |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Township / Ward | Nashville |
| Est. Birth Year | ~1913 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Dora Mason | Daughter | — | 33 | ~1907 |
| John Mason | Head | — | 49 | ~1891 |
| Helen Mason | Daughter | — | 27 | ~1913 |
Census Appearances
1920
Cheatham, Tennessee
Daughter, age 5
Cheatham, Tennessee · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Daughter, age 15
Davidson, Tennessee · implied b. ~1915 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Hazel |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | Black |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Davidson-County, Tennessee
Daughter, age 27
Davidson-County, Tennessee · implied b. ~1913 — 3 household members
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Tennessee |
| 1935 Residence (City) | Nashville |
| 1935 Residence (County) | Davidson |
| Occupation | none |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Helen Mason across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Frank Mason (~0.92 confidence) and father Isaac Mason (~0.92 confidence) and father John Mason (~0.92 confidence) and father Joshua Mason (~0.45 confidence) and mother Lula Mason (~0.92 confidence) and mother Maud Mason (~0.92 confidence). The pedigree spans 2 generations with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.84
Father
Frank Mason
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Isaac Mason
b. ~1880
Source father
● Household
· direct · ~0.92
Father
John Mason
b. ~1891
Source father
● Household
· direct · ~0.92
Father
Joshua Mason
b. ~1883
Source father>father
● Household
· direct · ~0.45
Mother
Lula Mason
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Maud Mason
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mason
Daughter · 1940 · age 27 · b. ~1913 · Tennessee
★ You are viewing this record
Sibling
Dora Mason
Sibling · 1940 · age 33
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 — Davidson-County, Tennessee
Open full size
1940 US Federal Census — Davidson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03971-00696)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Susie Anderson | 24 | cousin | Nurse | Tennessee |
| 42 | Johnnie Lewis | 15 | daughter | None | Tennessee |
| 43 | Robert Knight | 5 | grand son | None | Tennessee |
| 44 | Joe Vaughn | 47 | Head | None | Tennessee |
| 45 | Junius B Johnson | 37 | Head | Launchers | Tennessee |
| 46 | Virginia Johnson | 11 | daughter | None | Tennessee |
| 47 | Leroy Johnson | 10 | son | None | Tennessee |
| 48 | Lizzie Washington | 40 | sister | None | Tennessee |
| 49 | Janice Boston | 25 | daughter | Launchers | Tennessee |
| 50 | Ernestine Dodrell | 38 | sister | None | Tennessee |
| 51 | Robert Turner | 5 | grand son | None | Tennessee |
| 52 | Dorothy Turner | 2 | daughter | None | Tennessee |
| 53 | Lula Washington | 17 | sister | Housework | Tennessee |
| 54 | Horace Johnson | 72 | Head | None | Tennessee |
| 55 | Addie Johnson | 65 | wife | Janitress | Tennessee |
| 56 | Allie Dyer | 54 | Head | Laborer | Tennessee |
| 57 | Mary (X) Dyer | 54 | wife | Cook | Tennessee |
| 58 | Mark Rucker | 26 | daughter | None | Tennessee |
| 59 | Jessie Mae Dyer | 22 | daughter | Maid | Tennessee |
| 60 | Allie Jr Dyer | 22 | son | None | Tennessee |
| 61 | Celie Rucker | 4 | daughter | None | Tennessee |
| 62 | Sallie (X) Lewis | 28 | Head | Stemer | Alabama |
| 63 | Maud Walker | 25 | sister | Stemmer | Alabama |
| 64 | Lucile Tarver | 38 | Head | None | Tennessee |
| 65 | Lena Mae Carter | 61 | mother | None | Tennessee |
| 66 | Herman Carter | 32 | son | Porter | Tennessee |
| 67 | — | None | — | — | — |
| 68 | John Mason | 49 | Head | Candy Maker | Tennessee |
| 69 | Helen Mason THIS PERSON | 27 | daughter | None | Tennessee |
| 70 | Dora Mason | 33 | daughter | None | Tennessee |
| 71 | Frank Jackson | 33 | Head | Salesman | Georgia |
| 72 | Sara Jackson | 27 | wife | None | Georgia |
| 73 | Lillian Beale Jackson | 3 | daughter | None | Georgia |
| 74 | Thomas Hardison | 31 | Head | Car Washer | Tennessee |
| 75 | Clora (X) Hardison | 28 | wife | None | Tennessee |
| 76 | Jerry Mae Hardison | 10 | daughter | None | Tennessee |
| 77 | Betty Jean Hardison | 4 | daughter | None | Tennessee |
| 78 | W. D. Wells | 40 | Head | Yard Man | Tennessee |
| 79 | Josephine Wells | 30 | wife | None | Tennessee |
| 80 | Jack Wells | 38 | son | None | Tennessee |
Related Census Records
Pedigree Summary
Helen + 1 sibling
Gen 1 · 5 parents
~0.92
Gen 2 · 1 grandparents
~0.45
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)