IR
Ida Ross — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Gallatin-County, Montana
Our Model Tree links this Ida Ross across the 1930 and 1940 US Censuses in Gallatin-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 13-person household.
Age 12
b. ~1928
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Gallatin-County, Montana |
| Surname | Ross |
| Given Name | Ida M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Bozeman City |
| 1935 Residence (County) | Gallatin |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | Bozeman City |
| 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.
13 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Lucille Ross | Daughter | — | 17 | ~1923 |
| Dolly Ross | Daughter | — | 7 | ~1933 |
| Lena Ross | Spouse | — | 40 | ~1900 |
| Ray Ross | Son | — | 4 | ~1936 |
| Cora Ross | Daughter | — | 10 | ~1930 |
| Pattie Ross | Daughter | — | ~1940 | |
| Bertie Ross | Daughter | — | 14 | ~1926 |
| Gail Ross | Son | — | 14 | ~1926 |
| Clyde Ross | Son | — | 1 | ~1939 |
| Walter Ross | Son | — | 9 | ~1931 |
| Edith Ross | Daughter | — | 5 | ~1935 |
| Ray Ross | Head | — | 49 | ~1891 |
| Ida Ross | Daughter | — | 12 | ~1928 |
Census Appearances
1930
Gallatin, Montana
Daughter, age 2
Gallatin, Montana · implied b. ~1928 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ross |
| Given Name | Ida Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Missouri |
| Mother's Birthplace | S. Dakota |
| Can Read/Write | No |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Gallatin-County, Montana
Daughter, age 12
Gallatin-County, Montana · implied b. ~1928 — 13 household members
| Surname | Ross |
| Given Name | Ida M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Bozeman City |
| 1935 Residence (County) | Gallatin |
| Class of Worker | 0 |
| Highest Grade | G 8 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Ida Ross across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Ross
Daughter · 1940 · age 12 · b. ~1928 · Montana
★ You are viewing this record
Sibling
Ray Ross
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cora Ross
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Ross
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dolly Ross
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pattie Ross
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clyde Ross
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gail Ross
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucille Ross
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertie Ross
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Ross
Sibling · 1940 · age 9
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 — Gallatin-County, Montana
Open full size
1940 US Federal Census — Gallatin-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02220-00014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edward A Haeger | 67 | Head | Landlord | Germany |
| 42 | Marie Haeger | 67 | Wife | — | Germany |
| 43 | Ray E Ross | 49 | Head | Truck Driver | Missouri |
| 44 | Lena M Ross | 40 | Wife | — | South Dakota |
| 45 | Gail H Ross | 14 | Son | Mining | Montana |
| 46 | Lucille H Ross | 17 | Daughter | — | Montana |
| 47 | Bertie E Ross | 14 | Daughter | — | Montana |
| 48 | Ida M Ross THIS PERSON | 12 | Daughter | — | Montana |
| 49 | Cora B Ross | 10 | Daughter | — | Montana |
| 50 | Walter J Ross | 9 | Son | — | Montana |
| 51 | Dolly E Ross | 7 | Daughter | — | Montana |
| 52 | Edith L Ross | 5 | Daughter | — | Montana |
| 53 | Ray E Ross | 4 | Son | — | Montana |
| 54 | Clyde E Ross | 1 | Son | — | Montana |
| 55 | Pattie L Ross | 0 | Daughter | — | Montana |
| 56 | Cassie A Newman | 32 | Head | — | Pennsylvania |
| 57 | John W Nystrick | 30 | Head | Plumber | Montana |
| 58 | Loretta E Nystrick | 26 | Wife | — | Montana |
| 59 | Sandra J Nystrick | 3 | Daughter | — | Montana |
| 60 | Lee B Welsh | 49 | Head | Painting | Minnesota |
| 61 | Estella C Welsh | 41 | Wife | — | Montana |
| 62 | Louis W Welsh | 13 | Son | — | Montana |
| 63 | Clark E Welsh | 11 | Son | — | Montana |
| 64 | Leona F Welsh | 9 | Daughter | — | Montana |
| 65 | Eunice A Welsh | 7 | Daughter | — | Montana |
| 66 | Glenna S Welsh | 4 | Daughter | — | Montana |
| 67 | Nettie N Gower | 58 | Head | — | North Dakota |
| 68 | Ivan Gower | 54 | Brother | Section Laborer | North Dakota |
| 69 | Clarence Gower | 44 | Brother | Truck Driver | North Dakota |
| 70 | Robert H Kaufman | 27 | Head | Painter | Wyoming |
| 71 | Eunice L Kaufman | 23 | Wife | — | Montana |
| 72 | Robert E Kaufman | 4 | Son | — | Wyoming |
| 73 | Warren R Kaufman | 1 | Son | — | Montana |
| 74 | Jesse D Coggins | 31 | Head | Laborer | Missouri |
| 75 | Anne M Coggins | 23 | Wife | — | Montana |
| 76 | Donald W Coggins | 4 | Son | — | Montana |
| 77 | Delores L Coggins | 3 | Daughter | — | Montana |
| 78 | Darrell J Coggins | 0 | Son | — | Montana |
| 79 | Robert B Henricks | 34 | Head | Butcher | North Dakota |
| 80 | Edna S Henricks | 33 | Wife | — | Canada English |
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)