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John Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this John Lynch across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Thomas & Thomas — first a son (b.~1910), then head of a 10-person household.
Age 30
b. ~1910
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Battery Maker |
| Industry | Wholesale Battery Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Battery Maker |
| Township / Ward | St Paul City |
| 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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Mary Lynch | Daughter | — | 25 | ~1915 |
| Catherine Lynch | Daughter | — | 18 | ~1922 |
| Thomas Lynch | Head | — | 62 | ~1878 |
| Bernard Lynch | Son | — | 28 | ~1912 |
| Sylvester Lynch | Son | — | 22 | ~1918 |
| Peter Lynch | Son | — | 23 | ~1917 |
| John Lynch | Son | — | 30 | ~1910 |
| Charles Lynch | Son | — | 16 | ~1924 |
| Matthew Lynch | Son | — | 20 | ~1920 |
| Catherine Lynch | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 10
Ramsey, Minnesota · implied b. ~1910 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 20
Ramsey, Minnesota · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Stockman |
| Industry | Wholesale House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 30
Ramsey-County, Minnesota · implied b. ~1910 — 10 household members
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Battery Maker |
| Industry | Wholesale Battery Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 200 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 John Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Thomas Lynch (~0.92 confidence) and father Thomas Lynch (~0.92 confidence) and father Thomas Lynch (~0.92 confidence) and mother Catherine Lynch (~0.92 confidence) and mother Catherine Lynch (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Thomas Lynch
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Thomas Lynch
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Thomas Lynch
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Catherine Lynch
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Catherine Lynch
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lynch
Son · 1940 · age 30 · b. ~1910 · Minnesota
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Sibling
Charles Lynch
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernard Lynch
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lynch
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Matthew Lynch
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Lynch
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Sylvester Lynch
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Catherine Lynch
Sibling · 1940 · age 18
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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02000-00380)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Samuel Auge | 44 | Head | Welder | Minnesota |
| 2 | Helen Auge | 36 | Wife | — | Minnesota |
| 3 | William Greenwell | 18 | Step-son | Messenger Boy | Minnesota |
| 4 | Thomas Lynch | 62 | Head | Janitor | Minnesota |
| 5 | Catherine Lynch | 52 | Wife | — | Minnesota |
| 6 | John Lynch THIS PERSON | 30 | Son | Battery Maker | Minnesota |
| 7 | Bernard Lynch | 28 | Son | Battery Maker | Minnesota |
| 8 | Mary Lynch | 25 | Daughter | Waitress | Minnesota |
| 9 | Peter Lynch | 23 | Son | Laborer | Minnesota |
| 10 | Sylvester Lynch | 22 | Son | Laborer | Minnesota |
| 11 | Matthew Lynch | 20 | Son | Elevator Operator | Minnesota |
| 12 | Catherine Lynch | 18 | Daughter | New Worker | Minnesota |
| 13 | Charles Lynch | 16 | Son | New Worker | Minnesota |
| 14 | Peter J. Meyers | 45 | Head | Laborer | Minnesota |
| 15 | Theresa Meyers | 38 | Wife | — | Minnesota |
| 16 | William Meyers | 20 | Son | Laborer | Minnesota |
| 17 | Vernon Meyers | 18 | Son | New Worker | Minnesota |
| 18 | Florence Meyers | 16 | Daughter | New Worker | Minnesota |
| 19 | Marie Meyers | 15 | Daughter | — | Minnesota |
| 20 | Frank Meyers | 13 | Son | — | Minnesota |
| 21 | Betty Ann Meyers | 11 | Daughter | — | Minnesota |
| 22 | Harold Lund | 29 | Head | Steam Fitter | Minnesota |
| 23 | Dorothy Lund | 19 | Wife | — | Minnesota |
| 24 | Thomas Jr. Lynch | 28 | Head | Bar Tender | Minnesota |
| 25 | Bertha Lynch | 29 | Wife | — | Minnesota |
| 26 | Mary Ann Lynch | 3 | Daughter | — | Minnesota |
| 27 | Patricia Jean Lynch | 3 | Daughter | — | Minnesota |
| 28 | John Barton | 29 | Head | Sausage Maker | Minnesota |
| 29 | Clara Barton | 28 | Wife | — | Minnesota |
| 30 | John Barton | 5 | Son | — | Minnesota |
| 31 | Robert Barton | 3 | Son | — | Minnesota |
| 32 | Daniel Barton | 3 | Nephew | — | Minnesota |
| 33 | Donald Gorman | 23 | Head | Factory Laborer | Minnesota |
| 34 | Bernice Gorman | 20 | Wife | — | Minnesota |
| 35 | Donald Gorman | 1 | Son | — | Minnesota |
| 36 | Joseph Cicela | 55 | Head | Laborer | Italy |
| 37 | Josephine Cicela | 38 | Wife | — | Italy |
| 38 | Nancy Cicela | 16 | Daughter | — | Minnesota |
| 39 | Raymond Liebl | 36 | Head | Shipping Clerk | Minnesota |
| 40 | Bernice Liebl | 34 | Wife | — | Minnesota |
Related Census Records
Pedigree Summary
John + 7 siblings
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)