JL
John Lynch — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Lynch across the 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents Timothy & Michael — first a son (b.~1908), then head of a 6-person household.
Age 22
b. ~1908
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1908 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Rose Lynch | Daughter | — | 14 | ~1916 |
| Julia Lynch | Head | — | 50 | ~1880 |
| James Lynch | Son | — | 20 | ~1910 |
| Peter Lynch | Son | — | 16 | ~1914 |
| William Lynch | Son | — | 18 | ~1912 |
| John Lynch | Son | — | 22 | ~1908 |
Census Appearances
1910
Cook, Illinois
Son, age 1
Cook, Illinois · implied b. ~1909 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Son, age 22
Cook, Illinois · implied b. ~1908 — 6 household members
| Surname | Lynch |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 (1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage. Identified parents: father Timothy Lynch (~0.92 confidence) and father Michael Lynch (~0.92 confidence) and mother Nora Lynch (~0.92 confidence) and mother Julia Lynch (~0.92 confidence) and mother Margaret Lynch (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Timothy Lynch
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Michael Lynch
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Nora Lynch
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Julia Lynch
b. ~1880
Source mother
● Household
· direct · ~0.92
Mother
Margaret Lynch
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Lynch
Son · 1930 · age 22 · b. ~1908 · Illinois
★ You are viewing this record
Sibling
James Lynch
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Peter Lynch
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Lynch
Sibling · 1930 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Lynch
Sibling · 1930 · 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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel460:0582)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Matson | 40 | Wife | — | Indiana |
| 2 | George Matson | 9 | Son | — | Indiana |
| 3 | George Bechtell | 24 | Boarder | Labor | Illinois |
| 4 | Helen Bechtell | 22 | Boarder | — | Illinois |
| 5 | Nellie Zoppi | 20 | Boarder | — | Illinois |
| 6 | Constance Zoppi | 19 | Boarder | — | Illinois |
| 7 | Patrick Brendan | 44 | Head | Fireman | Ireland |
| 8 | Mary Brendan | 41 | Wife | — | Ireland |
| 9 | Patrick Brendan | 18 | Son | Clerk | Illinois |
| 10 | Mary Brendan | 16 | Daughter | — | Illinois |
| 11 | Nellie Brendan | 14 | Daughter | — | Illinois |
| 12 | Angeline Brendan | 12 | Daughter | — | Illinois |
| 13 | Margaret Brendan | 10 | Daughter | — | Illinois |
| 14 | Thomas Brendan | 8 | Son | — | Illinois |
| 15 | Patrick Lynch | 45 | Head | Laborer | Ireland |
| 16 | Mary Lynch | 40 | Wife | — | Ireland |
| 17 | John Lynch | 16 | Son | — | Illinois |
| 18 | Thomas Lynch | 14 | Son | — | Illinois |
| 19 | Patrick Lynch | 12 | Son | — | Illinois |
| 20 | James Lynch | 10 | Son | — | Illinois |
| 21 | William Lynch | 8 | Son | — | Illinois |
| 22 | Julia Lynch | 50 | Head | — | Ireland |
| 23 | John Lynch THIS PERSON | 22 | Son | — | Illinois |
| 24 | James Lynch | 20 | Son | — | Illinois |
| 25 | William Lynch | 18 | Son | — | Illinois |
| 26 | Peter Lynch | 16 | Son | — | Illinois |
| 27 | Rose Lynch | 14 | Daughter | — | Illinois |
| 28 | Victor Dimucci | 48 | Head | Laborer | Italy |
| 29 | Theresa Dimucci | 42 | Wife | — | Italy |
| 30 | Salvatore Dimucci | 14 | Son | Chauffeur | Italy |
| 31 | Emanuel Dimucci | 7 | Son | — | Illinois |
| 32 | Lenora Mazelli | 24 | Head | — | Illinois |
| 33 | John Mazelli | 5 | Son | — | Illinois |
| 34 | Edward Mazelli | 34 | Brother | Laborer | Illinois |
| 35 | John Fontella | 21 | Brother-in-law | Laborer | Italy |
| 36 | James Rogero | 32 | Head | Laborer | Italy |
| 37 | Antonetta Rogero | 22 | Wife | — | Italy |
| 38 | Frank Rogero | 2 | Son | — | Illinois |
| 39 | Roman Karpuk | 39 | Head | Laborer | Russia |
| 40 | Mary Karpuk | 41 | Wife | — | Russia |
| 41 | Sophie Karpuk | 21 | Daughter | Seamstress | Russia |
| 42 | John Karpuk | 14 | Son | — | Illinois |
| 43 | William Karpuk | 11 | Son | — | Illinois |
| 44 | Michael Turfoneski | 45 | Head | Laborer | Russia |
| 45 | Mary Turfoneski | 45 | Wife | — | Russia |
| 46 | Annie Turfoneski | 17 | Daughter | — | Illinois |
| 47 | Sophie Turfoneski | 16 | Daughter | — | Illinois |
| 48 | John Turfoneski | 14 | Son | — | Illinois |
| 49 | Helen Turfoneski | 12 | Daughter | — | Illinois |
| 50 | Louis Mupici | 45 | Head | Conductor | Germany |
Pedigree Summary
John + 4 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 1930 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)