HM
Helen Mason — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chesterfield-County, Virginia
Our Model Tree links this Helen Mason across the 1930 and 1940 US Censuses in Chesterfield-County, Virginia (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chesterfield-County, Virginia |
| Surname | Mason |
| Given Name | Helen M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Midlothian Dist |
| 1935 Residence (County) | Chesterfield |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Midlothian Dist |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Sylvia Mason | Daughter | — | 3 | ~1937 |
| Junius Mason | Son | — | 15 | ~1925 |
| Henry Mason | Head | — | 39 | ~1901 |
| Robelia Mason | Daughter | — | 13 | ~1927 |
| Willie Mason | Son | — | 9 | ~1931 |
| Gladys Mason | Daughter | — | 7 | ~1933 |
| Helen Mason | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Dinwiddie, Virginia
Other, age 3
Dinwiddie, Virginia · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Granddaughter |
| Sex | F |
| Color / Race | Black |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Chesterfield-County, Virginia
Daughter, age 12
Chesterfield-County, Virginia · implied b. ~1928 — 7 household members
| Surname | Mason |
| Given Name | Helen M |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Black |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Midlothian Dist |
| 1935 Residence (County) | Chesterfield |
| Highest Grade | No 5 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mason
Daughter · 1940 · age 12 · b. ~1928 · Virginia
★ You are viewing this record
Sibling
Willie Mason
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Mason
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robelia Mason
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Junius Mason
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvia Mason
Sibling · 1940 · age 3
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 — Chesterfield-County, Virginia
Open full size
1940 US Federal Census — Chesterfield-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04255-00845)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Eddie A. Hamlet | 8 | Head | — | Virginia |
| 42 | Joan S Hamlet | 5 | daughter | — | Virginia |
| 43 | Sylvia Lind | 37 | Head | — | Pennsylvania |
| 44 | Paul Lind | 42 | Husband | Merchant | Sweden |
| 45 | Paul Jr Lind | 18 | son | Service Man | Pennsylvania |
| 46 | Edgar A Lind | 17 | son | — | Pennsylvania |
| 47 | Ethel J Lind | 15 | daughter | — | Pennsylvania |
| 48 | Vivian V Lind | 13 | daughter | — | Pennsylvania |
| 49 | Robert T Lind | 9 | son | — | Pennsylvania |
| 50 | Wattys B Henderson | 55 | Head | — | Virginia |
| 51 | Nettie M Henderson | 63 | wife | — | Virginia |
| 52 | Charles R Wood | 47 | Head | Carpenter | North Carolina |
| 53 | Myrtle B Wood | 38 | wife | — | North Carolina |
| 54 | Earl P Wood | 8 | son | — | Virginia |
| 55 | Margaret R Wood | 7 | daughter | — | Virginia |
| 56 | Fay L Wood | 5 | daughter | — | Virginia |
| 57 | Shirley M Wood | 2 | daughter | — | Virginia |
| 58 | William Hill | 77 | servant | Laborer | North Carolina |
| 59 | Emma Jefferson | 52 | Head | — | Virginia |
| 60 | Junius Jefferson | 29 | son | Laborer | Virginia |
| 61 | Virginia Jefferson | 23 | daughter | Housework | Virginia |
| 62 | William Jefferson | 18 | son | Laborer | Virginia |
| 63 | Robert H Jefferson | 9 | Grandson | — | Virginia |
| 64 | Jeanette Jefferson | 7 | Grand daughter | — | Virginia |
| 65 | Leroy Jefferson | 3 | Grand son | — | Virginia |
| 66 | Henry Mason | 39 | Head | Laborer | Virginia |
| 67 | Junius Mason | 15 | son | Farm Worker | Virginia |
| 68 | Robelia M Mason | 13 | daughter | — | Virginia |
| 69 | Helen M Mason THIS PERSON | 12 | daughter | — | Virginia |
| 70 | Willie Mason | 9 | son | — | Virginia |
| 71 | Gladys L Mason | 7 | daughter | — | Virginia |
| 72 | Sylvia V Mason | 3 | daughter | — | Virginia |
| 73 | Earnest G Harris | 32 | Head | — | Virginia |
| 74 | Norman Gray | 48 | Head | Helper | Virginia |
| 75 | Millie Nora Gray | 35 | housekeeper | — | Virginia |
| 76 | Paul Hicks | 30 | servant | Salesman | Virginia |
| 77 | Walter Hoggard | 40 | Head | Operator | North Carolina |
| 78 | Emma I Hoggard | 36 | wife | Machine Operator | Virginia |
| 79 | Charles Brooks | 48 | Head | Laborer | Virginia |
| 80 | Katie C Brooks | 48 | wife | — | Virginia |
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)