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Mary Lynch — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Mary Lynch across the 1900, 1910, 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1870), then head of a 4-person household.
Age 60
b. ~1870
Female
Spouse
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| 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 | ~1870 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marie Lynch | Daughter | — | 23 | ~1907 |
| Lucille Lynch | Daughter | — | 25 | ~1905 |
| Charles Lynch | Head | — | 60 | ~1870 |
| Mary Lynch | Spouse | — | 60 | ~1870 |
Census Appearances
1900
Cook, Illinois
Spouse, age 28
Cook, Illinois · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 28 |
| Marital Status | Married |
| Birthplace | Illinois |
| Birth Month | May |
| Birth Year | 1872 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1910
Cook, Illinois
Spouse, age 38
Cook, Illinois · implied b. ~1872 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | Illinois |
| Years Married | 11 |
| Children Born | 3 |
| Children Living | 3 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Cook, Illinois
Spouse, age 47
Cook, Illinois · implied b. ~1873 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Spouse, age 60
Cook, Illinois · implied b. ~1870 — 4 household members
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 23 |
| 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 Mary Lynch across 4 US Census years (1900, 1910, 1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lynch
Spouse · 1930 · age 60 · b. ~1870 · Illinois
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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
45 people indexed on this census page (ia:1930:illinoiscensus00reel471rs:0008)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ralph Pepper | 47 | Head | Printer | Illinois |
| 52 | Edith Pepper | 45 | Wife | — | English Canada |
| 53 | Ralph Jr. Pepper | 18 | Son | Tapping App | Illinois |
| 54 | Robert Pepper | 16 | Son | — | Illinois |
| 55 | John Helmes | 32 | Head | Food, Salesman | Ontario, Greece |
| 56 | Mary Helmes | 18 | Wife | — | Illinois |
| 57 | Dorothy Helmes | 1 | Daughter | — | Illinois |
| 58 | James Turner | 30 | Head | Sheet Metal Worker | Dundee, Scotland |
| 59 | Margaret Turner | 31 | Wife | Dressmaker | Dundee, Scotland |
| 60 | John Baird | 32 | Head | Sheet Metal Worker | Glasgow, Scotland |
| 61 | Margaret Baird | 26 | Wife | — | Bo'ness, Scotland |
| 62 | James Hume | 41 | Head | Sheet Metal Worker | Glasgow, Scotland |
| 63 | Helen Hume | 45 | Wife | — | Glasgow, Scotland |
| 64 | William Hume | 17 | Son | — | Glasgow, Scotland |
| 65 | Thomas Hume | 13 | Son | — | Glasgow, Scotland |
| 66 | Charles W. Schimmel | 38 | Head | Electrician | Illinois |
| 67 | Bessie Schimmel | 35 | Wife | — | Illinois |
| 68 | Joseph Janzer | 32 | Head | Janitor | Brecegula, Hungary |
| 69 | Theresa Janzer | 30 | Wife | — | Brijelagula, Hungary |
| 70 | Josephine Janzer | 5 | Daughter | — | Illinois |
| 71 | Billy Janzer | 4 | Son | — | Illinois |
| 72 | Lydia Janzer | 2 | Daughter | — | Illinois |
| 73 | Charles J. Lynch | 60 | Head | Hoisting Engineer | Illinois |
| 74 | Mary Lynch THIS PERSON | 60 | Wife | — | Illinois |
| 75 | Lucille Lynch | 25 | Daughter | Stenographer | Illinois |
| 76 | Marie Lynch | 23 | Daughter | Stenographer | Wisconsin |
| 77 | Murdo Thompson | 27 | Head | Carpenter | Stornoway, Scotland |
| 78 | Jeanette Thompson | 20 | Wife | — | Elizabeth, Scotland |
| 79 | Doris Thompson | 1 | Daughter | — | Illinois |
| 80 | Mae L. Baldwin | 41 | Head | — | Canada-English |
| 81 | Edward J. Baldwin | 14 | Son | Bank Clerk | Canada-English |
| 82 | A. Jensen | 79 | Boarder | Stock Salesman | Illinois |
| 83 | May Baldwin | 17 | Daughter | — | Canada-English |
| 84 | James Clark | 50 | Head | Laborer Building | Canada-English |
| 85 | Agnes Clark | 42 | Wife | — | Canada-English |
| 86 | Margaret Clark | 21 | Daughter | Mail Clerk | Canada-English |
| 87 | Marion Clark | 18 | Daughter | Mail Clerk | Canada-English |
| 88 | Mrs. Annie Griffin | 48 | Head | — | Illinois |
| 89 | James Griffin | 25 | Son | Salesman | Illinois |
| 90 | George Griffin | 22 | Son | Salesman | Illinois |
| 91 | William Griffin | 21 | Son | Machinist | Illinois |
| 92 | Vincent Williams | 33 | Head | Mechanic | Illinois |
| 93 | Betty Williams | 33 | Wife | — | Illinois |
| 94 | Geraldine Williams | 7 | Daughter | — | Illinois |
| 95 | Shirley Williams | 4 | Daughter | — | Illinois |
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)