JL
Joseph Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Joseph Lynch across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Martin & Ella — first a son (b.~1919), then head of a 6-person household.
Age 21
b. ~1919
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Laborer |
| Industry | L. S. Ayres |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Laborer |
| Township / Ward | Indianapolis |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Mary Lynch | Daughter | — | 28 | ~1912 |
| Margaret Lynch | Daughter | — | 20 | ~1920 |
| Martin Lynch | Head | — | 52 | ~1888 |
| Joseph Lynch | Son | — | 21 | ~1919 |
| David Lynch | Son | — | 23 | ~1917 |
| Billy Lynch | Son | — | 22 | ~1918 |
Census Appearances
1920
Marion, Indiana
Son, age 1
Marion, Indiana · implied b. ~1919 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | No |
| Can Write | No |
| Speaks English | No |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Son, age 11
Marion, Indiana · implied b. ~1919 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Son, age 21
Marion-County, Indiana · implied b. ~1919 — 6 household members
| Surname | Lynch |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Laborer |
| Industry | L. S. Ayres |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 250 |
| Highest Grade | H 1 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Joseph Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Martin Lynch (~0.92 confidence) and mother Ella Lynch (~0.92 confidence) and father Martin Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Martin Lynch
b. ~1862
Source father
● Household
· direct · ~0.92
Mother
Ella Lynch
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
Martin Lynch
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Joseph Lynch
Son · 1940 · age 21 · b. ~1919 · Indiana
★ You are viewing this record
Sibling
Margaret Lynch
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Lynch
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lynch
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Billy Lynch
Sibling · 1940 · age 22
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01128-00717)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Will Miller | 53 | Head | — | Indiana |
| 42 | Sarah Miller | 53 | Wife | — | Indiana |
| 43 | Jessie Miller | 26 | Daughter | — | Indiana |
| 44 | Evelyn Miller | 23 | Daughter | — | Indiana |
| 45 | Gabriel Miller | 21 | Son | — | Indiana |
| 46 | Nathan George | 46 | Head | Truck Driver | Indiana |
| 47 | Lillian George | 42 | Wife | — | Indiana |
| 48 | Joseph George | 22 | Son | Laborer | Indiana |
| 49 | George George | 16 | Son | New Worker | Indiana |
| 50 | Armetral Peel | 26 | Daughter | — | Indiana |
| 51 | George Peel | 25 | Son-in-law | Butcher | Arkansas |
| 52 | June Eda Peel | 2 | Granddaughter | — | Indiana |
| 53 | Marthy Epler | 60 | Head | — | Indiana |
| 54 | Phyllis Epler | 3 | Granddaughter | — | Indiana |
| 55 | Kenneth Epler | 1 | Grandson | — | Indiana |
| 56 | Murl Pine Pat | 56 | Father | Butcher | Indiana |
| 57 | William Pat | 18 | Brother | Butcher | Indiana |
| 58 | William Fitzgerald | 45 | Cousin | Butcher | Indiana |
| 59 | Walter Kuhlmann | 40 | Head | Bookkeeper | Indiana |
| 60 | Stella Kuhlmann | 36 | Wife | — | Indiana |
| 61 | Joan Kuhlmann | 16 | Daughter | — | Indiana |
| 62 | Juliet Kuhlmann | 10 | Daughter | — | Illinois |
| 63 | Mildred Kuhlmann | 9 | Daughter | — | Indiana |
| 64 | Charles Kuhlmann | 7 | Son | — | Indiana |
| 65 | Josephine Kelly | 41 | Head | — | Indiana |
| 66 | John Kelly | 17 | Son | — | Indiana |
| 67 | Helen Kelly | 19 | Daughter | — | Indiana |
| 68 | Martin Lynch | 52 | Head | Clerk | Ireland |
| 69 | Mary Ann Lynch | 28 | Daughter | — | Indiana |
| 70 | David Lynch | 23 | Son | Clerk | Indiana |
| 71 | Billy Lynch | 22 | Son | Clerk | Indiana |
| 72 | Joseph Lynch THIS PERSON | 21 | Son | Laborer | Indiana |
| 73 | Margaret Lynch | 20 | Daughter | — | Indiana |
| 74 | William G. Durham | 43 | Head | Line Polisher | Tennessee |
| 75 | Florence Durham | 34 | Wife | — | Tennessee |
| 76 | William Durham | 19 | Son | — | Tennessee |
| 77 | William Matthews | 66 | Head | Laborer | Mississippi |
| 78 | Frances Matthews | 54 | Wife | — | Mississippi |
| 79 | Helena Matthews | 33 | Daughter | — | Mississippi |
| 80 | Danny Matthews | 32 | Son | — | Mississippi |
Pedigree Summary
Joseph + 4 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)