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Robert Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Adair-County, Iowa
Our Model Tree links this Robert Lynch across the 1920, 1930 and 1940 US Censuses in Adair-County, Iowa (XGBoost, ~Confirmed), with identified parents Edward & Maria — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Adair-County, Iowa |
| Surname | Lynch |
| Given Name | Robert J. jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Greenfield Town |
| 1935 Residence (County) | Adair |
| Additional Details | |
| Occupation | salesman |
| Industry | retail oil |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 452 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Salesman |
| Township / Ward | Greenfield Town |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Ruth Lynch | Daughter | — | 17 | ~1923 |
| Margaret Lynch | Daughter | — | 19 | ~1921 |
| Robert Lynch | Head | — | 54 | ~1886 |
| Thomas Lynch | Son | — | 8 | ~1932 |
| James Lynch | Son | — | 15 | ~1925 |
| Robert Lynch | Son | — | 21 | ~1919 |
| May Lynch | Spouse | — | 43 | ~1897 |
Census Appearances
1920
Adair, Iowa
Son, age 1
Adair, Iowa · implied b. ~1919 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Robert L Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Adair, Iowa
Son, age 11
Adair, Iowa · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Robert J. Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adair-County, Iowa
Son, age 21
Adair-County, Iowa · implied b. ~1919 — 7 household members
| Surname | Lynch |
| Given Name | Robert J. jr |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Greenfield Town |
| 1935 Residence (County) | Adair |
| Occupation | salesman |
| Industry | retail oil |
| Class of Worker | OA |
| Hours Worked | 54 |
| Income (1939) | 452 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Edward Barney (~0.92 confidence) and mother Maria Barney (~0.92 confidence) and father Robert Lynch (~0.92 confidence) and mother Fay Lynch (~0.92 confidence) and father Robert Lynch (~0.92 confidence) and mother May Lynch (~0.92 confidence) and mother Fay Lynch (~0.92 confidence). The pedigree spans 1 generation with 7 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Barney
b. ~1854
Source father
● Household
· direct · ~0.92
Mother
Maria Barney
b. ~1857
Source mother
● Household
· direct · ~0.92
Father
Robert Lynch
b. ~1857
Source father
● Household
· direct · ~0.92
Mother
Fay Lynch
b. ~1878
Source mother
● Household
· direct · ~0.92
Father
Robert Lynch
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
May Lynch
b. ~1897
Source mother
● Household
· direct · ~0.92
Mother
Fay Lynch
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Lynch
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Margaret Lynch
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Lynch
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Lynch
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lynch
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 — Adair-County, Iowa
Open full size
1940 US Federal Census — Adair-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01136-00096)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Randall S. Baxter | 15 | son | — | Iowa |
| 2 | Robert J. Lynch | 54 | head | — | Illinois |
| 3 | May G. Lynch | 43 | wife | Laundry | Iowa |
| 4 | Robert J. Jr Lynch THIS PERSON | 21 | son | Salesman | Iowa |
| 5 | Margaret A. Lynch | 19 | daughter | Truck Driver | Iowa |
| 6 | Ruth P. Lynch | 17 | daughter | Waitress | Iowa |
| 7 | James W. Lynch | 15 | son | — | Iowa |
| 8 | Thomas E. Lynch | 8 | son | — | Iowa |
| 9 | John A. Gibson | 38 | head | Lineman | Indiana |
| 10 | Grace H. Gibson | 33 | wife | — | Iowa |
| 11 | Irene Gibson | 17 | daughter | — | Iowa |
| 12 | Jean Gibson | 14 | daughter | — | Iowa |
| 13 | Phyllis Gibson | 11 | daughter | — | Iowa |
| 14 | Shirley Gibson | 3 | daughter | — | Iowa |
| 15 | Bert Mcbride | 40 | lodger | Stationary Engineer | Iowa |
| 16 | Jens A. Hansen | 34 | head | Operator | Iowa |
| 17 | Ruth L. Hansen | 30 | wife | — | Illinois |
| 18 | Norma J. Hansen | 8 | daughter | — | Iowa |
| 19 | Joan M. Hansen | 4 | daughter | — | Iowa |
| 20 | Clarence L. Hassen | 35 | head | Dentist | Iowa |
| 21 | Lyna M. Hassen | 33 | wife | — | Iowa |
| 22 | Robert D. Hassen | 3 | son | — | Iowa |
| 23 | Dennis V. Denton | 54 | head | Plumber | Iowa |
| 24 | Hazel L. Denton | 49 | wife | — | Iowa |
| 25 | R. E. Denton | 23 | son | Plumber | Iowa |
| 26 | Bertha A. Volk | 66 | mother in law | — | Iowa |
| 27 | Glenn W. Mulhern | 27 | head | Carpenter | Missouri |
| 28 | Lacy O. Mulhern | 25 | wife | — | Iowa |
| 29 | Shirley J. Mulhern | 2 | daughter | — | Iowa |
| 30 | Richard G. Mulhern | 0 | son | — | Iowa |
| 31 | Donald M. Jimmerson | 26 | head | Mechanic | Iowa |
| 32 | Pearl G. Jimmerson | 18 | wife | — | Iowa |
| 33 | Larry Jimmerson | 1 | son | — | Iowa |
| 34 | Kenneth J. Jimmerson | 0 | son | — | Iowa |
| 35 | Paul W. Patterson | 34 | head | Cream Tester | Iowa |
| 36 | Lillian G. Patterson | 34 | wife | — | Iowa |
| 37 | Jack F. Patterson | 11 | son | — | Iowa |
| 38 | Robert B. Patterson | 10 | son | — | Iowa |
| 39 | Charles E. Ribble | 74 | head | — | Illinois |
| 40 | Anna D. Miller | 68 | sister in-law | — | Ohio |
Pedigree Summary
Robert + 4 siblings
Gen 1 · 7 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)