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Michael Lynch — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Michael Lynch across the 1910, 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a head (b.~1879), then head of a 3-person household.
Age 61
b. ~1879
Male
Head
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Lynch |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Motorman |
| Industry | Street Railway |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1516 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Motorman |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1879 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Michael | Age | Birth yr |
|---|---|---|---|---|
| John Lynch | Son | — | 33 | ~1907 |
| Margaret Lynch | Spouse | — | 60 | ~1880 |
| Michael Lynch | Head | — | 61 | ~1879 |
Census Appearances
1910
Cook, Illinois
Head, age 32
Cook, Illinois · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 8 |
| Year of Immigration | 1882 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Printer |
| Industry | Print Shop |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1920
Cook, Illinois
Head, age 42
Cook, Illinois · implied b. ~1878 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1897 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer (Street) |
| Industry | Surface Lines |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Ireland |
| Year of Naturalization | 1903 |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Other, age 52
Cook, Illinois · implied b. ~1878 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Michael |
| Relationship to Head | Roomer |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Single |
| Birthplace | Ireland |
| Naturalization Status | Un |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Head, age 61
Cook-County, Illinois · implied b. ~1879 — 3 household members
| Surname | Lynch |
| Given Name | Michael |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Occupation | Motorman |
| Industry | Street Railway |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 1516 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Michael Lynch across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Michael Lynch
Head · 1940 · age 61 · b. ~1879 · Illinois
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00981-00492)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary Bertucci | 42 | Wife | — | Illinois |
| 42 | Joseph A. Bertucci | 20 | Son | — | Illinois |
| 43 | Mary Bertucci | 19 | Daughter | New Worker | Illinois |
| 44 | Frederick J. Bertucci | 17 | Son | New Worker | Illinois |
| 45 | Theresa Bertucci | 16 | Daughter | — | Illinois |
| 46 | Emma Bertucci | 14 | Son | — | Illinois |
| 47 | Charles A. Hart | 58 | Head | City Fireman | Illinois |
| 48 | Catherine Hart | 28 | Daughter | Hammerer | Illinois |
| 49 | Chas. P. Hart | 24 | Son | Assembly | Illinois |
| 50 | John J. Hart | 19 | Son | Delivery | Illinois |
| 51 | Peter Michael Hart | 15 | Son | — | Illinois |
| 52 | Michael Lynch THIS PERSON | 61 | Head | Motorman | Ireland |
| 53 | Margaret M. Lynch | 60 | Wife | — | Irish Free State |
| 54 | John L. Lynch | 33 | Son | Plasterer | New York |
| 55 | John M. Randich | 38 | Head | Foreman | Illinois |
| 56 | Julia Randich | 34 | Daughter | — | England |
| 57 | John M. Jr. Randich | 8 | Son | — | Illinois |
| 58 | Wm. J. Randich | 7 | Son | — | Illinois |
| 59 | Ronald J. Randich | 4 | Son | — | Illinois |
| 60 | Wm. F. Perkins | 32 | Head | Cashier | Illinois |
| 61 | Daniel J. Perkins | 30 | Brother | Clerk | Illinois |
| 62 | Anne M. Perkins | 35 | Sister | — | Illinois |
| 63 | Bert B. Bolen | 45 | Head | Special Agent | Indiana |
| 64 | Irene M. Bolen | 44 | Wife | — | Pennsylvania |
| 65 | Mary Eleanor Bolen | 14 | Daughter | — | Illinois |
| 66 | John A. Cich | 49 | Head | Chauffeur | Illinois |
| 67 | Victoria Cich | 44 | Wife | — | Illinois |
| 68 | Lawrence J. Cich | 15 | Son | — | Illinois |
| 69 | Sophie Powers | 53 | Mother-in-law | Janitress | Lithuania |
| 70 | Sophie Powers | 25 | Sister-in-law | Stenographer | Wisconsin |
| 71 | Martha Indryski | 62 | Head | — | Germany |
| 72 | Dorothy Indryski | 17 | Daughter | — | Illinois |
| 73 | Margaret M. Keach | 59 | Head | — | Scotland |
| 74 | Margaret M. Keach | 32 | Daughter | Telephone Operator | Pennsylvania |
| 75 | Catherine T. Keach | 29 | Daughter | Packer | Illinois |
| 76 | Raymond Keach | 21 | Son | New Worker | Illinois |
| 77 | Jas. P. Healy | 35 | Head | Policeman | Illinois |
| 78 | Marion Healy | 39 | Wife | Junior Clerk | Pennsylvania |
| 79 | Geraldine Healy | 18 | Daughter | Clerical | Illinois |
| 80 | Jas. P. Healy | 15 | Son | — | Illinois |
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)