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Thomas Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Crawford-County, Wisconsin
Our Model Tree links this Thomas Lynch across the 1910, 1920, 1930 and 1940 US Censuses in Crawford-County, Wisconsin (XGBoost, ~Confirmed), with identified parents John & Agnes — first a son (b.~1910), then head of a 4-person household.
Age 30
b. ~1910
Male
Son
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Crawford-County, Wisconsin |
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Seneca town |
| 1935 Residence (County) | Crawford |
| Additional Details | |
| Occupation | farming |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Farming |
| Township / Ward | Seneca Town |
| Est. Birth Year | ~1910 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Agnes Lynch | Daughter | — | 35 | ~1905 |
| John Lynch | Head | — | 69 | ~1871 |
| Thomas Lynch | Son | — | 30 | ~1910 |
| Agnes Lynch | Spouse | — | 68 | ~1872 |
Census Appearances
1910
Crawford, Wisconsin
Son, age 1
Crawford, Wisconsin · implied b. ~1909 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1920
Crawford, Wisconsin
Son, age 9
Crawford, Wisconsin · implied b. ~1911 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Thomas H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Crawford, Wisconsin
Son, age 20
Crawford, Wisconsin · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | Laborer |
| Industry | General Farm |
| Class of Worker | VVVV |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Crawford-County, Wisconsin
Son, age 30
Crawford-County, Wisconsin · implied b. ~1910 — 4 household members
| Surname | Lynch |
| Given Name | Thomas |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Seneca town |
| 1935 Residence (County) | Crawford |
| Occupation | farming |
| Industry | farm |
| Class of Worker | OA |
| Hours Worked | 65 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Thomas Lynch across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Lynch (~0.92 confidence) and mother Agnes Lynch (~0.92 confidence) and mother Agnes Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Lynch
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Agnes Lynch
b. ~1872
Source mother
● Household
· direct · ~0.92
Mother
Agnes Lynch
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Thomas Lynch
Son · 1940 · age 30 · b. ~1910 · Wisconsin
★ You are viewing this record
Sibling
Agnes Lynch
Sibling · 1940 · age 35
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 — Crawford-County, Wisconsin
Open full size
1940 US Federal Census — Crawford-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04467-00451)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Norma Wallin | 7 | daughter | — | Wisconsin |
| 42 | James Wallin | 5 | son | — | Wisconsin |
| 43 | Wilma Wallin | 2 | daughter | — | Wisconsin |
| 44 | Daniel Ertel | 59 | Head | Farming | Wisconsin |
| 45 | Anna Ertel | 56 | Wife | — | Wisconsin |
| 46 | Orlie Ertel | 29 | son | Farming | Wisconsin |
| 47 | Michael Snell | 71 | Head | Farming | Wisconsin |
| 48 | Joseph Snell | 28 | Son | Farming | Wisconsin |
| 49 | Thomas Snell | 26 | son | Farming | Wisconsin |
| 50 | Julita Snell | 18 | daughter | — | Wisconsin |
| 51 | William Cody | 22 | Head | Farming | Wisconsin |
| 52 | Mary Ellen Cody | 14 | sister | — | Wisconsin |
| 53 | William Nicholson | 43 | Head | Farming | Wisconsin |
| 54 | Jennie Nicholson | 30 | Wife | — | Wisconsin |
| 55 | Nola Nicholson | 10 | daughter | — | North Dakota |
| 56 | Richard Nicholson | 7 | son | — | North Dakota |
| 57 | Eulalie Nicholson | 5 | daughter | — | North Dakota |
| 58 | Orvis Nicholson | 4 | son | — | Indiana |
| 59 | Robert Nicholson | 2 | son | — | Wisconsin |
| 60 | Joanne Nicholson | 0 | daughter | — | Wisconsin |
| 61 | Albert Emerson | 56 | Head | Farming | Wisconsin |
| 62 | Inga Emerson | 44 | Wife | — | Wisconsin |
| 63 | Alvin Emerson | 22 | son | Farming | Wisconsin |
| 64 | Edith Emerson | 16 | daughter | — | Wisconsin |
| 65 | Laverne Emerson | 10 | son | — | Wisconsin |
| 66 | Arlie Emerson | 7 | son | — | Wisconsin |
| 67 | Peter Anderson | 65 | owner | — | Wisconsin |
| 68 | Thomas Mccann | 41 | Head | Farming | Wisconsin |
| 69 | John Mccann | 43 | brother | Farming | Wisconsin |
| 70 | Nellie Mccann | 42 | sister | — | Wisconsin |
| 71 | Carl Crusan | 39 | Head | Farming | Wisconsin |
| 72 | Iona Crusan | 26 | Wife | — | Wisconsin |
| 73 | Nancy Crusan | 3 | daughter | — | Wisconsin |
| 74 | James Crusan | 0 | son | — | Wisconsin |
| 75 | John Lynch | 69 | Head | Farming | Wisconsin |
| 76 | Agnes Sr. Lynch | 68 | Wife | — | Wisconsin |
| 77 | Agnes Jr. Lynch | 35 | daughter | — | Wisconsin |
| 78 | Thomas Lynch THIS PERSON | 30 | son | Farming | Wisconsin |
| 79 | Byron Lynch | 33 | Head | Farming | Wisconsin |
| 80 | Dorothy Lynch | 27 | Wife | — | Wisconsin |
Pedigree Summary
Thomas + 1 sibling
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)