RA
Robert Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Adams across the 1910, 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Robert — first a head (b.~1908), then head of a 5-person household.
Age 32
b. ~1908
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Adams |
| Given Name | Robert R. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | setter |
| Industry | Armstrong Cork |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Setter |
| Township / Ward | South Fayette |
| Est. Birth Year | ~1908 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Rosemarie Adams | Daughter | — | 4 | ~1936 |
| Bonnie Adams | Daughter | — | 2 | ~1938 |
| Alice Adams | Daughter | — | ~1940 | |
| Robert Adams | Head | — | 32 | ~1908 |
| Maude Adams | Spouse | — | 31 | ~1909 |
Census Appearances
1910
Allegheny, Pennsylvania
Son, age 2
Allegheny, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Robert J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Can. English |
| Mother's Birthplace | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Allegheny, Pennsylvania
Son, age 11
Allegheny, Pennsylvania · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Robert J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Allegheny, Pennsylvania
Son, age 22
Allegheny, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Robert Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 32
Allegheny-County, Pennsylvania · implied b. ~1908 — 5 household members
| Surname | Adams |
| Given Name | Robert R. |
| Relationship to Head | head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | R |
| 1935 Residence (County) | Allegheny |
| Occupation | setter |
| Industry | Armstrong Cork |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1300 |
| Highest Grade | Hs 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Robert Adams across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Adams (~0.92 confidence) and father Robert Adams (~0.92 confidence) and father Robert Adams (~0.92 confidence) and mother Ada Adams (~0.92 confidence) and mother Elizabeth Adams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Adams
b. ~1873
Source father
● Household
· direct · ~0.92
Father
Robert Adams
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Robert Adams
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Ada Adams
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Adams
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Adams
Head · 1940 · age 32 · b. ~1908 · Pennsylvania
★ 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 — Allegheny-County, Pennsylvania
Open full size
1940 US Federal Census — Allegheny-County, Pennsylvania
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03417-00778)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Florence Mary Karouse | 25 | wife | 0 | Pennsylvania |
| 42 | Frank Karouse | 5 | son | — | Pennsylvania |
| 43 | Claire Karouse | 4 | daughter | — | Pennsylvania |
| 44 | Frank Heiber | 28 | head | Salesman | Pennsylvania |
| 45 | Florence Heiber | 22 | wife | 0 | Pennsylvania |
| 46 | Anna Mae Heiber | 3 | daughter | — | Pennsylvania |
| 47 | Joseph P. Jr. Link | 30 | head | Salesman | Pennsylvania |
| 48 | Hilda Link | 28 | wife | 0 | Pennsylvania |
| 49 | James Link | 4 | son | — | Pennsylvania |
| 50 | Laura L. Cousin | 62 | mother | 0 | Pennsylvania |
| 51 | Philip Metz | 47 | head | 0 | Germany |
| 52 | Henry Metz | 64 | brother | Miner Machine | Germany |
| 53 | Robert R. Adams THIS PERSON | 32 | head | Setter | Pennsylvania |
| 54 | Maude Grace Adams | 31 | wife | 0 | Pennsylvania |
| 55 | Rosemarie Adams | 4 | daughter | — | Pennsylvania |
| 56 | Bonnie Pearl Adams | 2 | daughter | — | Pennsylvania |
| 57 | Alice Ann Adams | 0 | daughter | — | Pennsylvania |
| 58 | Joseph P. Sr. Link | 52 | head | Maker Ice Cream | Pennsylvania |
| 59 | Petronella Link | 49 | wife | 0 | Pennsylvania |
| 60 | Robert Link | 18 | son | 0 | Pennsylvania |
| 61 | William Link | 12 | son | — | Pennsylvania |
| 62 | Marcella Mervis | 28 | daughter | Bookkeeper | Pennsylvania |
| 63 | Richard Mervis | 25 | son-in-law | — | Pennsylvania |
| 64 | Claire Mervis | 5 | grand daughter | — | Pennsylvania |
| 65 | Frank Heiber | 56 | head | Miner | Austria |
| 66 | Annie Heiber | 55 | wife | 0 | Germany |
| 67 | Henry Heiber | 22 | son | Laborer | Pennsylvania |
| 68 | Elizabeth Heiber | 18 | daughter | 0 | Pennsylvania |
| 69 | Leonard Heiber | 14 | son | 0 | Pennsylvania |
| 70 | Mary Martin | 31 | daughter | 0 | Pennsylvania |
| 71 | Walter Martin | 31 | son-in-law | Truck Driver | Colorado |
| 72 | Eugene Martin | 7 | grand son | — | Pennsylvania |
| 73 | Gloria Martin | 6 | grand daughter | — | Pennsylvania |
| 74 | Clifford Martin | 5 | grand son | — | Pennsylvania |
| 75 | Virginia Martin | 4 | grand daughter | — | Pennsylvania |
| 76 | Shirley Martin | 2 | grand daughter | — | Pennsylvania |
| 77 | Gertrude Lou Martin | 0 | grand daughter | — | Pennsylvania |
| 78 | Martha Hastings | 64 | head | 0 | Pennsylvania |
| 79 | Nellie Hastings | 42 | daughter | Clerk | Pennsylvania |
| 80 | Mike Tucker | 65 | head | 0 | Austria |
Pedigree Summary
Robert
Gen 1 · 5 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)