HR
Helen Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Helen Ross across the 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 10-person household.
Age 47
b. ~1893
Female
Spouse
Born: Colorado
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Ross |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Des Moines city |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1893 |
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 1940 census.
| Name | Relation to head | Relative to Helen | Age | Birth yr |
|---|---|---|---|---|
| James Ross | Son | — | 7 | ~1933 |
| Helen Ross | Spouse | — | 47 | ~1893 |
| Dorothy Ross | Daughter | — | 16 | ~1924 |
| Betty Quick | Daughter | — | 21 | ~1919 |
| Joan Ross | Daughter | — | 7 | ~1933 |
| Jesse Quick | Other | — | 21 | ~1919 |
| John Ross | Son | — | 14 | ~1926 |
| Rose Ross | Daughter | — | 19 | ~1921 |
| Jeane Ross | Daughter | — | 14 | ~1926 |
| John Ross | Head | — | 52 | ~1888 |
Census Appearances
1930
Polk, Iowa
Spouse, age 37
Polk, Iowa · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Colorado |
| Age at First Marriage | 23 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Polk-County, Iowa
Spouse, age 47
Polk-County, Iowa · implied b. ~1893 — 10 household members
| Surname | Ross |
| Given Name | Helen |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Colorado |
| 1935 Residence (City) | Des Moines city |
| 1935 Residence (County) | Polk |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Helen Ross
Spouse · 1940 · age 47 · b. ~1893 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01194-00566)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Madin Van Dyke | 16 | daughter | — | Iowa |
| 42 | Robert Van Dyke | 12 | son | — | Iowa |
| 43 | Betty Lou Van Dyke | 8 | daughter | — | Iowa |
| 44 | James Van Dyke | 5 | son | — | Iowa |
| 45 | Ruth Van Dyke | 3 | daughter | — | Iowa |
| 46 | Nannette Van Dyke | 2 | daughter | — | Iowa |
| 47 | Laurence Van Dyke | 0 | son | — | Iowa |
| 48 | Richard Souch | 19 | Lodger | Coal Miner | Iowa |
| 49 | Jeanne Souch | 17 | wife | — | Iowa |
| 50 | John E. Ross | 52 | Head | Plasterer | Iowa |
| 51 | Helen Ross THIS PERSON | 47 | Wife | — | Colorado |
| 52 | Rose Ross | 19 | daughter | Sewing Project | Iowa |
| 53 | Dorothy Ross | 16 | daughter | — | Iowa |
| 54 | Jeane Ross | 14 | daughter | — | Iowa |
| 55 | John T. Ross | 14 | son | — | Iowa |
| 56 | James Ross | 7 | son | — | Iowa |
| 57 | Joan Ross | 7 | daughter | — | Iowa |
| 58 | Jesse D. Quick | 21 | son-in-law | Laborer | Arkansas |
| 59 | Betty Quick | 21 | daughter | Machine Worker | Iowa |
| 60 | Gerald Johnson | 27 | Head | Second Cook | Iowa |
| 61 | Leone Johnson | 20 | wife | — | Iowa |
| 62 | Anna Marie Johnson | 2 | daughter | — | Iowa |
| 63 | William Burt | 60 | Head | Bartender | Iowa |
| 64 | Sarah Ellen Burt | 54 | wife | Manager | Iowa |
| 65 | Anna Mcneal | 82 | mother-in-law | — | Iowa |
| 66 | Tom Boudewyns | 61 | Head | Blacksmith | Iowa |
| 67 | Estella Boudewyns | 55 | wife | — | Iowa |
| 68 | Francis Boudewyns | 28 | son | Salesman | Iowa |
| 69 | Thomas Boudewyns | 23 | son | Sneaker Cutter | Iowa |
| 70 | Florine Boudewyns | 19 | daughter | Entertainer | Iowa |
| 71 | Emma Slaughter | 74 | Head | — | Iowa |
| 72 | Laura Paddock | 76 | sister | — | Iowa |
| 73 | N. P. Hoff | 59 | Head | Carpenter | Iowa |
| 74 | Mary A. Hoff | 60 | wife | — | Iowa |
| 75 | Edward Hoff | 27 | son | Collector Of Cream | Iowa |
| 76 | William Hoff | 3 | grandson | — | Iowa |
| 77 | Ends Hese | None | block | — | — |
| 78 | Don R. Peterson | 30 | Head | Secretary | Wisconsin |
| 79 | Roena Peterson | 23 | wife | — | Iowa |
| 80 | Aileen Peterson | 2 | daughter | — | Iowa |
Related Census Records
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)