RL
Robert Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Allegheny-County, Pennsylvania
Our Model Tree links this Robert Lynch across the 1920, 1930 and 1940 US Censuses in Allegheny-County, Pennsylvania (XGBoost, ~Confirmed), with identified parents Robert & Nannie — first a head (b.~1904), then head of a 4-person household.
Age 36
b. ~1904
Male
Head
Born: Pennsylvania
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Allegheny-County, Pennsylvania |
| Surname | Lynch |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Additional Details | |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 300 |
| Highest Grade | H 4 |
| 1935 Residence | Pennsylvania |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Laborer |
| Township / Ward | Mt Lebanon |
| Est. Birth Year | ~1904 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Lynch | Head | — | 36 | ~1904 |
| Nancy Lynch | Other | — | 65 | ~1875 |
| Robert Lynch | Son | — | 12 | ~1928 |
| Harry Lynch | Son | — | 8 | ~1932 |
Census Appearances
1920
Allegheny, Pennsylvania
Son, age 16
Allegheny, Pennsylvania · implied b. ~1904 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| 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
Head, age 26
Allegheny, Pennsylvania · implied b. ~1904 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Robert M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 24 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Inspector |
| Industry | Steel Works |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 28 |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Allegheny-County, Pennsylvania
Head, age 36
Allegheny-County, Pennsylvania · implied b. ~1904 — 4 household members
| Surname | Lynch |
| Given Name | Robert M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Pittsburgh |
| 1935 Residence (County) | Allegheny |
| Occupation | Laborer |
| Industry | Construction |
| Class of Worker | PW |
| Hours Worked | 58 |
| Income (1939) | 300 |
| Highest Grade | H 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 Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Robert Lynch (~0.92 confidence) and mother Nannie Lynch (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Robert Lynch
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Nannie Lynch
b. ~1876
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lynch
Head · 1940 · age 36 · b. ~1904 · 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-t0627-03411-00343)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Milton R. Hukill | 14 | Son | — | Pennsylvania |
| 42 | Richard M. Hukill | 11 | Son | — | Pennsylvania |
| 43 | Nancy L. Hukill | 9 | Daughter | — | Pennsylvania |
| 44 | Robert M. Lynch THIS PERSON | 36 | Head | Laborer | Pennsylvania |
| 45 | Robert M. Jr. Lynch | 12 | Son | — | Pennsylvania |
| 46 | Harry G. Lynch | 8 | Son | — | Pennsylvania |
| 47 | Nancy Lynch | 65 | Mother-in-law | — | Pennsylvania |
| 48 | Arthur Van Dugteren | 39 | Head | Supervisor | Michigan |
| 49 | Marie Van Dugteren | 38 | Wife | — | Michigan |
| 50 | Dolores Van Dugteren | 15 | Daughter | — | Michigan |
| 51 | Ida Etta Sverson | 51 | Head | — | Pennsylvania |
| 52 | Arthur R. Borden | 40 | Head | Sales Engineer | Pennsylvania |
| 53 | Gertrude S. Borden | 38 | Wife | — | Ohio |
| 54 | Arthur R. Jr. Borden | 8 | Son | — | Pennsylvania |
| 55 | Louanne Borden | 6 | Daughter | — | Pennsylvania |
| 56 | William Illig | 49 | Head | Cashier | Pennsylvania |
| 57 | Beatrice S. Illig | 43 | Wife | — | Pennsylvania |
| 58 | William Illig | 8 | Son | — | Pennsylvania |
| 59 | Clem Gottschalk | 46 | Head | Clerk | Pennsylvania |
| 60 | Ruth Gottschalk | 45 | Wife | — | Pennsylvania |
| 61 | Vera Gottschalk | 15 | Daughter | — | Pennsylvania |
| 62 | William Gottschalk | 14 | Son | — | Pennsylvania |
| 63 | Donald B. Campbell | 42 | Head | Salesman | New York |
| 64 | Doris N. Campbell | 31 | Wife | — | Pennsylvania |
| 65 | William Schaefer | 47 | Head | Elec. Engineer | Pennsylvania |
| 66 | Lydia B. Schaefer | 54 | Wife | — | Pennsylvania |
| 67 | Alice J. Schaefer | 17 | Daughter | — | Pennsylvania |
| 68 | William L. Jr. Schaefer | 17 | Son | — | Pennsylvania |
| 69 | David Mann | 55 | Head | Sales Manager | Dist. of Columbia |
| 70 | Estella H. Mann | 56 | Wife | — | Pennsylvania |
| 71 | Lawrence W. Jones | 57 | Head | Salesman | New Jersey |
| 72 | Lillian R. Jones | 35 | Wife | — | Ohio |
| 73 | Lois Jones | 65 | Daughter | — | Michigan |
| 74 | Harold Rumsey | 44 | Head | Manager | New York |
| 75 | Birdie H. Rumsey | 43 | Wife | — | New Jersey |
| 76 | Doris J. Rumsey | 14 | Daughter | — | Pennsylvania |
| 77 | James S. Reddy | 55 | Head | Plumber | Pennsylvania |
| 78 | Mathilda Reddy | 50 | Wife | — | Pennsylvania |
| 79 | James Reddy | 20 | Son | Clerk | Pennsylvania |
| 80 | William Reddy | 17 | Son | — | Pennsylvania |
Related Census Records
Pedigree Summary
Robert
Gen 1 · 2 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)