HA
Harry Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ravalli-County, Montana
Our Model Tree links this Harry Adams across the 1920, 1930 and 1940 US Censuses in Ravalli-County, Montana (XGBoost, ~Confirmed), with identified parents John & Ethel — first a son (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Male
Son
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ravalli-County, Montana |
| Surname | Adams |
| Given Name | Harry R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Corvallis |
| 1935 Residence (County) | Ravalli |
| Additional Details | |
| Occupation | Service Station |
| Industry | Operator |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Service Station |
| Township / Ward | Corvallis |
| Est. Birth Year | ~1918 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Harry Adams | Son | — | 22 | ~1918 |
| David Adams | Daughter | — | 15 | ~1925 |
| John Adams | Head | — | 55 | ~1885 |
| Dorothy Adams | Daughter | — | 18 | ~1922 |
| Ethel Adams | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Ravalli, Montana
Son, age 2
Ravalli, Montana · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harry Raymond |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Montana |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Ravalli, Montana
Son, age 12
Ravalli, Montana · implied b. ~1918 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Harry R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Montana |
| Age at First Marriage | 12 |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Montana |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Ravalli-County, Montana
Son, age 22
Ravalli-County, Montana · implied b. ~1918 — 5 household members
| Surname | Adams |
| Given Name | Harry R |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | Corvallis |
| 1935 Residence (County) | Ravalli |
| Occupation | Service Station |
| Industry | Operator |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 600 |
| Highest Grade | H 4 |
| 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 Harry Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Adams (~0.92 confidence) and mother Ethel Adams (~0.92 confidence) and mother Edna Adams (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Adams
b. ~1885
Source father
● Household
· direct · ~0.92
Mother
Ethel Adams
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Edna Adams
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harry Adams
Son · 1940 · age 22 · b. ~1918 · Montana
★ You are viewing this record
Sibling
Dorothy Adams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Adams
Sibling · 1940 · 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
1940 US Federal Census — Ravalli-County, Montana
Open full size
1940 US Federal Census — Ravalli-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02227-00970)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen R Bryson | 21 | Wife | — | Montana |
| 42 | Clyde T Burman | 59 | Head | — | Iowa |
| 43 | Robert J Carmichael | 65 | Head | Truck Garden | Illinois |
| 44 | Jessie G Carmichael | 55 | Wife | — | Minnesota |
| 45 | James G Carmichael | 25 | Son | Labor | Illinois |
| 46 | Idris C Carmichael | 15 | Daughter | — | Montana |
| 47 | John G Adams | 55 | Head | Farm Laborer | Colorado |
| 48 | Ethel L Adams | 54 | Wife | — | Montana |
| 49 | Harry R Adams THIS PERSON | 22 | Son | Service Station | Montana |
| 50 | Dorothy M Adams | 18 | Daughter | — | Montana |
| 51 | David M Adams | 15 | Daughter | — | Montana |
| 52 | Lorenzo M Neilson | 80 | Head | Farm Laborer | Utah |
| 53 | Jennie R Neilson | 55 | Wife | — | Utah |
| 54 | Louis R Erickson | 33 | Step son | Farm Laborer | Utah |
| 55 | Dean C Erickson | 31 | Step son | Farm Laborer | Utah |
| 56 | Grant W Neilson | 12 | Son | — | Montana |
| 57 | Elvin H. Sr. Buck | 61 | Head | Farm Laborer | Kansas |
| 58 | Mary A Buck | 58 | Wife | — | Arkansas |
| 59 | Mary Nell Buck | 21 | Daughter | — | Arkansas |
| 60 | Louis C Hull | 55 | Head | Farmer | Missouri |
| 61 | Inez E Hull | 52 | Wife | — | Montana |
| 62 | Ruth Q Hull | 21 | Daughter | Servant | Montana |
| 63 | Louis A Hull | 27 | Son | Farm Laborer | Montana |
| 64 | Hallie L Hull | 24 | Daughter | — | Montana |
| 65 | Louis S Hull | 2 | Grandson | — | Montana |
| 66 | Loretta K Hull | 1 | Granddaughter | — | Montana |
| 67 | Ray R Hull | 55 | Head | Farm Laborer | Missouri |
| 68 | Emma M Hull | 50 | Wife | — | Michigan |
| 69 | Walter E Hull | 20 | Son | Farm Laborer | Montana |
| 70 | Roland H Hull | 16 | Son | — | Montana |
| 71 | John Halle | 75 | Head | — | Michigan |
| 72 | Mary Halle | 65 | Wife | — | Michigan |
| 73 | Paul H Knaak | 45 | Head | — | Wisconsin |
| 74 | Shary Knaak | 40 | Wife | — | Washington |
| 75 | Herman Knaak | 79 | Head | — | Germany |
| 76 | Gustav Guse | 49 | Head | Farm Laborer | Rumania |
| 77 | Caroline W Guse | 41 | Wife | — | North Dakota |
| 78 | Willie G Guse | 20 | Son | Farm Laborer | North Dakota |
| 79 | Hilda M Guse | 18 | Daughter | — | North Dakota |
| 80 | Emil G Guse | 15 | Son | — | North Dakota |
Pedigree Summary
Harry + 2 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 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)