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Helen Mason — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Sac, Iowa
Our Model Tree links this Helen Mason across the 1920 and 1930 US Censuses in Sac, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1914), then head of a 9-person household.
Age 16
b. ~1914
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Sac, Iowa |
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Carnarvon |
| Est. Birth Year | ~1914 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| Robert Mason | Son | — | 10 | ~1920 |
| Gerald Mason | Son | — | 12 | ~1918 |
| J Mason | Son | — | 23 | ~1907 |
| Arthur Mason | Son | — | 5 | ~1925 |
| Arthur Mason | Head | — | 40 | ~1890 |
| Helen Mason | Daughter | — | 16 | ~1914 |
| Edith Mason | Daughter | — | 15 | ~1915 |
| Florence Mason | Other | — | 40 | ~1890 |
| Howard Snyder | Other | — | 28 | ~1902 |
Census Appearances
1920
Sac, Iowa
Daughter, age 6
Sac, Iowa · implied b. ~1914 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Sac, Iowa
Daughter, age 16
Sac, Iowa · implied b. ~1914 — 9 household members
| Surname | Mason |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | South Dakota |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 (1920 and 1930) in Sac, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Mason
Daughter · 1930 · age 16 · b. ~1914 · Iowa
★ You are viewing this record
Sibling
Gerald Mason
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
J Mason
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Mason
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Mason
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Mason
Sibling · 1930 · age 15
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 — Sac, Iowa
Open full size
1930 US Federal Census — Sac, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel680:1031)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Grace Friedrichs | 63 | Head-H | — | Germany |
| 2 | Martin Carroll | 33 | Head | Mechanic | Iowa |
| 3 | Margaret Carroll | 27 | Wife-H | — | Iowa |
| 4 | Keith Carroll | 12 | Son | — | Iowa |
| 5 | Warren Carroll | 9 | Daughter | — | Iowa |
| 6 | Martin Jr. Carroll | 6 | Son | — | Iowa |
| 7 | Marcia Carroll | 4 | Daughter | — | Iowa |
| 8 | Charles Carroll | 3 | Son | — | Iowa |
| 9 | Norma Carroll | 1 | Daughter | — | Iowa |
| 10 | Brown Janssen | 57 | Head | Garageman | Illinois |
| 11 | Anna Janssen | 52 | Wife-H | — | Iowa |
| 12 | Helena Janssen | 18 | Daughter | — | Iowa |
| 13 | Christina Janssen | 82 | Mother | — | Germany |
| 14 | Fred Walrod | 63 | Head | Veterinary | Illinois |
| 15 | Ida Walrod | 61 | Wife-H | — | Illinois |
| 16 | Homer Walrod | 39 | Son | Hardware Store | Iowa |
| 17 | Lola Lammert | 22 | Daughter | — | Iowa |
| 18 | Clifford Wright | 37 | Head | Farm Laborer | Iowa |
| 19 | Lena Wright | 38 | Wife-H | — | Iowa |
| 20 | Darlene Wright | 12 | Daughter | — | Iowa |
| 21 | Melvin Wright | 10 | Son | — | Iowa |
| 22 | Delores Wright | 8 | Daughter | — | Iowa |
| 23 | Clenora Wright | 6 | Daughter | — | Iowa |
| 24 | Dorothy Wright | 4 | Daughter | — | Iowa |
| 25 | Wayne Wright | 2 | Son | — | Iowa |
| 26 | Eugene Wright | 1 | Son | — | Iowa |
| 27 | George Meyer | 26 | Bro-in-law | Laborer | North Dakota |
| 28 | John Meyer | 22 | Bro-in-law | Trucker | South Dakota |
| 29 | William Hulstine | 54 | Head | Salesman | Germany |
| 30 | Hilda Hulstine | 50 | Wife-H | — | Iowa |
| 31 | Walter Hulstine | 2 | Adopt-Son | — | Iowa |
| 32 | E. J. Hoaglund | 61 | Head | Produce Man | Norway |
| 33 | Minta Hoaglund | 65 | Wife-H | — | Michigan |
| 34 | W. C. Grimsley | 29 | Head | Merchant | Iowa |
| 35 | Bernice Grimsley | 25 | Wife-H | — | Iowa |
| 36 | Walter Sharpe | 20 | Clerk | Clerk | Iowa |
| 37 | Arthur E. Mason | 40 | Head | Barber | Iowa |
| 38 | Florence M. Mason | 40 | Wife-H | — | South Dakota |
| 39 | J. A. Mason | 23 | Son | Laborer | Iowa |
| 40 | Helen Mason THIS PERSON | 16 | Daughter | — | Iowa |
| 41 | Edith Mason | 15 | Daughter | — | Iowa |
| 42 | Gerald Mason | 12 | Son | — | Iowa |
| 43 | Robert Mason | 10 | Son | — | Iowa |
| 44 | Arthur Jr. Mason | 5 | Son | — | Iowa |
| 45 | Howard Snyder | 28 | Barber | Barber | Iowa |
| 46 | David Hunneman | 41 | Head | Buyer | Iowa |
| 47 | Frida Hunneman | 39 | Wife-H | — | Iowa |
| 48 | Doris Hunneman | 13 | Daughter | — | Iowa |
| 49 | Le Roy Hunneman | 11 | Son | — | Iowa |
| 50 | Donald Hunneman | 4 | Son | — | Iowa |
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)