JL
John Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ontario-County, New York
Our Model Tree links this John Lynch across the 1920, 1930 and 1940 US Censuses in Ontario-County, New York (XGBoost, ~Confirmed), with identified parents Frank & Charlotte — first a son (b.~1914), then head of a 4-person household.
Age 26
b. ~1914
Male
Son
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ontario-County, New York |
| Surname | Lynch |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Phelps |
| 1935 Residence (County) | Ontario |
| Additional Details | |
| Occupation | Riveter Heater |
| Industry | U.S. Radiator |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 30 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Occupation | Riveter Heater |
| Township / Ward | Phelps |
| Est. Birth Year | ~1914 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| Mary Lynch | Daughter | — | 18 | ~1922 |
| Charlotte Lynch | Head | — | 73 | ~1867 |
| William Lynch | Son | — | 70 | ~1870 |
| John Lynch | Son | — | 26 | ~1914 |
Census Appearances
1920
Ontario, New …
Son, age 5
Ontario, New York · implied b. ~1915 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1930
Ontario, New …
Son, age 16
Ontario, New York · implied b. ~1914 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Can Read/Write | Yes |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Ontario-County, New …
Son, age 26
Ontario-County, New York · implied b. ~1914 — 4 household members
| Surname | Lynch |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Phelps |
| 1935 Residence (County) | Ontario |
| Occupation | Riveter Heater |
| Industry | U.S. Radiator |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 30 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Frank Lynch (~0.92 confidence) and mother Charlotte Lynch (~0.92 confidence) and mother Charlotte Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Frank Lynch
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Charlotte Lynch
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Charlotte Lynch
b. ~1867
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lynch
Son · 1940 · age 26 · b. ~1914 · New York
★ You are viewing this record
Sibling
William Lynch
Sibling · 1940 · age 70
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary 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 — Ontario-County, New York
Open full size
1940 US Federal Census — Ontario-County, New York
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-02707-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kathryn Bunnicky | 60 | Wife | — | Czechoslovakia |
| 42 | Stephen Bunnicky | 27 | Son | Fireman | New York |
| 43 | Emil Bunnicky | 21 | Son | Farming | New York |
| 44 | Earl Van Curen | 26 | Head | Laborer | New York |
| 45 | Marion Van Curen | 20 | Wife | — | New York |
| 46 | Donald Van Curen | 2 | Son | — | New York |
| 47 | Charles W. Marlin | 49 | Head | Farmer | New York |
| 48 | Jessie Marlin | 50 | Wife | — | New York |
| 49 | Cyrus J. Bixler | 60 | Head | Farmer | Pennsylvania |
| 50 | Harold H. W. Bixler | 36 | Son | Farm Helper | New York |
| 51 | Anna Bixler | 34 | Daughter | — | New York |
| 52 | Peter W. Michelson | 62 | Head | Farmer | Denmark |
| 53 | Edward Michelson | 43 | Son | Farm Helper | New York |
| 54 | Florence Michelson | 37 | Daughter | — | New York |
| 55 | Albert Robinson | 7 | Nephew | — | New York |
| 56 | Edward M. Askin | 63 | Head | Laborer | New York |
| 57 | Mary W. Askin | 60 | Wife | — | New York |
| 58 | William W. Fogarty | 69 | Head | — | New Jersey |
| 59 | Robert Fogarty | 30 | Son | Automobile Mechanic | New York |
| 60 | Alice Doyle | 77 | Head | — | New York |
| 61 | Samuel Doyle | 34 | Son | Laborer | New York |
| 62 | Charlotte W. Lynch | 73 | Head | Farmer | New York |
| 63 | John B. Lynch THIS PERSON | 26 | Son | Riveter Heater | New York |
| 64 | Mary A. Lynch | 18 | Daughter | — | New York |
| 65 | William Lynch | 70 | Son | — | New York |
| 66 | Frank Badgley | 29 | Head | Laborer | New York |
| 67 | Mary W. Gleason | 60 | Housekeeper | Housekeeper | New York |
| 68 | Marjorie Gleason | 16 | Daughter | — | New York |
| 69 | Gerald W. Houck | 26 | Head | Farmer | New York |
| 70 | Isabelle Houck | 19 | Wife | — | New York |
| 71 | Ludwich Padget | 30 | Head | Laborer | New York |
| 72 | Victoria W. Padget | 28 | Wife | — | New York |
| 73 | Pauline Padget | 8 | Daughter | — | New York |
| 74 | Anthony Bunnicky | 26 | Head | Cement Finisher | New York |
| 75 | Margaret W. Bunnicky | 24 | Wife | — | New York |
| 76 | Emil Bunnicky | 5 | Son | — | New York |
| 77 | Roy A. Whitbeck | 54 | Head | Farmer | Kansas |
| 78 | Ruth Whitbeck | 41 | Wife | — | New York |
| 79 | Leigh Whitbeck | 11 | Son | — | New York |
Pedigree Summary
John + 2 siblings
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)