RL
Robert Lynch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Kossuth-County, Iowa
Our Model Tree links this Robert Lynch across the 1930 and 1940 US Censuses in Kossuth-County, Iowa (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Kossuth-County, Iowa |
| Surname | Lynch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Seneca Twp |
| 1935 Residence (County) | Kossuth |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 150 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Farm Laborer |
| Township / Ward | Seneca Twp |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Betty Lynch | Daughter | — | 10 | ~1930 |
| Helen Lynch | Daughter | — | 2 | ~1938 |
| Paul Lynch | Son | — | 11 | ~1929 |
| Dennis Lynch | Son | — | 16 | ~1924 |
| John Lynch | Son | — | 22 | ~1918 |
| Robert Lynch | Son | — | 19 | ~1921 |
| James Lynch | Son | — | 3 | ~1937 |
| Dick Lynch | Son | — | 8 | ~1932 |
| Wayne Lynch | Son | — | 12 | ~1928 |
| Laura Lynch | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Kossuth, Iowa
Son, age 8
Kossuth, Iowa · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Robert L. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Kossuth-County, Iowa
Son, age 19
Kossuth-County, Iowa · implied b. ~1921 — 10 household members
| Surname | Lynch |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Seneca Twp |
| 1935 Residence (County) | Kossuth |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 50 |
| Income (1939) | 150 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| 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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Lynch
Son · 1940 · age 19 · b. ~1921 · Iowa
★ You are viewing this record
Sibling
Wayne Lynch
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Lynch
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Lynch
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lynch
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Lynch
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dennis Lynch
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dick Lynch
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Lynch
Sibling · 1940 · age 10
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 — Kossuth-County, Iowa
Open full size
1940 US Federal Census — Kossuth-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01173-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Laura Lynch | 43 | Wife | — | Iowa |
| 42 | John J. Lynch | 22 | Son | — | Iowa |
| 43 | Robert Lynch THIS PERSON | 19 | Son | Farm Laborer | Iowa |
| 44 | Dennis Lynch | 16 | Son | Farm Laborer | Iowa |
| 45 | Wayne Lynch | 12 | Son | — | Iowa |
| 46 | Paul Lynch | 11 | Son | — | Iowa |
| 47 | Betty Lynch | 10 | Daughter | — | Iowa |
| 48 | Dick Junior Lynch | 8 | Son | — | Iowa |
| 49 | James Lynch | 3 | Son | — | Iowa |
| 50 | Helen Lynch | 2 | Daughter | — | Iowa |
| 51 | August J. Meyer | 75 | Head | Farmer | Illinois |
| 52 | Emma Meyer | 70 | Wife | — | Illinois |
| 53 | Elizabeth M. Meyer | 43 | Daughter | — | Iowa |
| 54 | Grace Meyer | 35 | Daughter | — | Iowa |
| 55 | Fred E. Meyer | 33 | Son | Farmer | Iowa |
| 56 | Clarence J. Manz | 27 | Head | Farmer | Iowa |
| 57 | Mabel S. Manz | 27 | Wife | — | Iowa |
| 58 | Larry Lee Manz | 2 | Son | — | Iowa |
| 59 | Oscar R. Patterson | 47 | Head | Farmer | Iowa |
| 60 | Hanna Patterson | 43 | Wife | — | Iowa |
| 61 | Wesley E. Patterson | 19 | Son | Farm Laborer | Iowa |
| 62 | Dale W. Patterson | 14 | Son | Farm Laborer | Iowa |
| 63 | Mary J. Patterson | 12 | Daughter | — | Iowa |
| 64 | Robert E. Curry | 21 | Head | Farm Laborer | Minnesota |
| 65 | Verona C. Curry | 21 | Wife | — | Iowa |
| 66 | Maurice J. Hantelman | 33 | Head | Farmer | Iowa |
| 67 | Mabel A. Hantelman | 34 | Wife | — | Iowa |
| 68 | Mary Lou Hantelman | 5 | Daughter | — | Iowa |
| 69 | Henry W. Klein | 50 | Head | Farmer | Iowa |
| 70 | Leo H. Klein | 21 | Son | Farm Laborer | Iowa |
| 71 | Leroy J. Klein | 18 | Son | Farm Laborer | Iowa |
| 72 | Melvin L. Klein | 16 | Son | Farm Laborer | Iowa |
| 73 | Marvin J. Klein | 16 | Son | Farm Laborer | Iowa |
| 74 | Peter P. Jensen | 34 | Head | Farmer | Iowa |
| 75 | Virginia L. Jensen | 28 | Wife | — | Iowa |
| 76 | Richard J. Jensen | 9 | Son | — | Iowa |
| 77 | David J. Jensen | 6 | Son | — | Iowa |
| 78 | Mike J. Jensen | 5 | Son | — | Iowa |
| 79 | Barbara J. Jensen | 4 | Daughter | — | Iowa |
| 80 | Arthur G. Wickey | 28 | Head | Farmer | Iowa |
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)