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Helen Mason — 1930 US Census Record
Model Tree available1930 United States Federal Census · Sangamon, Illinois
Our Model Tree links this Helen Mason across the 1910, 1920 and 1930 US Censuses in Sangamon, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1907), then head of a 10-person household.
Age 23
b. ~1907
Female
Daughter
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sangamon, Illinois |
| Surname | Mason |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | City Of Springfield Pt Of |
| Est. Birth Year | ~1907 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| James Mason | Head | — | 54 | ~1876 |
| Helen Mason | Daughter | — | 23 | ~1907 |
| George Mason | Son | — | 17 | ~1913 |
| Dorothy Mason | Daughter | — | 14 | ~1916 |
| Gwendolyn Mason | Daughter | — | 10 | ~1920 |
| James Mason | Son | — | 28 | ~1902 |
| Lucille Mason | Daughter | — | 26 | ~1904 |
| Viola Mason | Spouse | — | 51 | ~1879 |
| Lillian Mason | Daughter | — | 30 | ~1900 |
| Evelyn Mason | Daughter | — | 6 | ~1924 |
Census Appearances
1910
Sangamon, Illinois
Other, age 1
Sangamon, Illinois · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Adopted Child |
| Sex | F |
| Color / Race | Black |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Unknown |
| Mother's Birthplace | Unknown |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Sangamon, Illinois
Daughter, age 12
Sangamon, Illinois · implied b. ~1908 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | Mulatto |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Daughter, age 23
Sangamon, Illinois · implied b. ~1907 — 10 household members
| Surname | Mason |
| Given Name | Helen E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1910, 1920 and 1930) in Sangamon, Illinois, using XGBoost record linkage. Identified parents: father James Mason (~0.92 confidence) and father James Mason (~0.92 confidence) and mother Viola Mason (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Mason
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Mason
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Viola Mason
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Mason
Daughter · 1930 · age 23 · b. ~1907 · Illinois
★ You are viewing this record
Sibling
George Mason
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gwendolyn Mason
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Mason
Sibling · 1930 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Evelyn Mason
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mason
Sibling · 1930 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Mason
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Mason
Sibling · 1930 · age 26
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
1930 US Federal Census — Sangamon, Illinois
Open full size
1930 US Federal Census — Sangamon, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel559:0356)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Paul A. Slaughter | 8 | Son | — | Illinois |
| 52 | William J. Hamilton | 53 | Head | Proprietor | Ireland |
| 53 | Eva M. Hamilton | 45 | Wife | — | Illinois |
| 54 | William J. Hamilton | 16 | Son | Student | Illinois |
| 55 | Edna M. Hamilton | 15 | Daughter | Student | Illinois |
| 56 | Thomas J. Hamilton | 63 | Brother | Line-Man | Ireland |
| 57 | Barbara Schoener | 77 | Mother-in-law | — | Germany |
| 58 | Catherine M. Mullen | 51 | Head | Time-Keeper | Illinois |
| 59 | Josephine M. Mullen | 48 | Sister | Housekeeper | Illinois |
| 60 | Anna L. Braghan | 45 | Sister | Clerk | Illinois |
| 61 | Paul Braghan | 17 | Nephew | Laborer | Illinois |
| 62 | Ursula M. Braghan | 16 | Niece | Student | Illinois |
| 63 | Emily A. Stone | 50 | Head | — | Illinois |
| 64 | Edward Hagan | 48 | Head | Detective | Missouri |
| 65 | Mary V. Hagan | 30 | Wife | — | Missouri |
| 66 | Arnold E. Hagan | 19 | Son | Student | Missouri |
| 67 | James S. Mason | 54 | Head | Painter | North Carolina |
| 68 | Viola Mason | 51 | Wife | — | Illinois |
| 69 | Lillian T. Mason | 30 | Daughter | Student | Illinois |
| 70 | James A. Mason | 28 | Son | Shipping Clerk | Illinois |
| 71 | Lucille M. Mason | 26 | Daughter | Teacher | Illinois |
| 72 | Helen E. Mason THIS PERSON | 23 | Daughter | — | Illinois |
| 73 | George E. Mason | 17 | Son | Student | Illinois |
| 74 | Dorothy J. Mason | 14 | Daughter | Student | Illinois |
| 75 | Gwendolyn L. Mason | 10 | Daughter | Student | Illinois |
| 76 | Evelyn A. Mason | 6 | Daughter | — | Illinois |
| 77 | William T. Binney | 38 | Head | Laborer | Illinois |
| 78 | Olga M. Binney | 38 | Wife | — | Illinois |
| 79 | Grace M. Binney | 16 | Daughter | Laborer | Illinois |
| 80 | Charles J. Binney | 9 | Son | — | Illinois |
| 81 | William T. Binney | 7 | Son | — | Illinois |
| 82 | Charles Simpel | 63 | Father-in-law | Brick-Mason | Germany |
| 83 | Charles C. Punnell | 27 | Head | Laborer | Illinois |
| 84 | Eva A. Punnell | 21 | Wife | — | Illinois |
| 85 | Evelyn M. Punnell | 1 | Daughter | — | Illinois |
| 86 | Elmer J. Duncan | 28 | Head | Painter | Illinois |
| 87 | Dorothy G. Duncan | 24 | Wife | — | Illinois |
| 88 | Richard Duncan | 23 | Brother | Laborer | Illinois |
| 89 | Roy Hunter | 40 | Roomer | Laborer | Missouri |
| 90 | Joseph M. Greenberg | 35 | Head | Book-Keeper | Russia |
| 91 | Mary Greenberg | 34 | Wife | — | New York |
| 92 | Dorothy H. Greenberg | 14 | Daughter | Student | Illinois |
| 93 | Aaron G. Greenberg | 11 | Son | — | Illinois |
| 94 | Ida B. Greenberg | 7 | Daughter | — | Illinois |
| 95 | Betty R. Greenberg | 2 | Daughter | — | Illinois |
| 96 | Louis E. Ray | 32 | Head | Truck-Driver | Illinois |
| 97 | Mildred Ray | 31 | Wife | — | Nebraska |
| 98 | Edward A. Ray | 13 | Son | Student | Illinois |
| 99 | Arminta Ray | 11 | Daughter | — | Illinois |
| 100 | Vera Ray | 9 | Daughter | — | Illinois |
Pedigree Summary
Helen + 7 siblings
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)