TM
Thomas Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Thomas Mccormick across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a head (b.~1868), then head of a 10-person household.
Age 62
b. ~1868
Male
Head
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Street Cleaner |
| Industry | City of Chicago |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Street Cleaner |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1868 |
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.
10 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mccormick | Daughter | — | 28 | ~1902 |
| Anne Mccormick | Daughter | — | 18 | ~1912 |
| Margaret Mccormick | Spouse | — | 60 | ~1870 |
| Thomas Mccormick | Son | — | 33 | ~1897 |
| Thomas Mccormick | Head | — | 62 | ~1868 |
| Martin Mccormick | Son | — | 28 | ~1902 |
| Edward Mccormick | Son | — | 30 | ~1900 |
| John Mccormick | Son | — | 35 | ~1895 |
| Mary Mccormick | Daughter | — | 30 | ~1900 |
| Catherine Mccormick | Daughter | — | 25 | ~1905 |
Census Appearances
1930
Cook, Illinois
Head, age 62
Cook, Illinois · implied b. ~1868 — 10 household members
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1881 |
| Age at First Marriage | 31 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Street Cleaner |
| Industry | City of Chicago |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | O |
| Home Value / Rent | 4000 |
| Radio Set | R |
| Veteran | No |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Kankakee-County, Illinois
Other, age 72
Kankakee-County, Illinois · implied b. ~1868 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | Thomas |
| Relationship to Head | Inmate |
| Sex | M |
| Color / Race | White |
| Age | 72 |
| Marital Status | Single |
| Birthplace | Ireland |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Industry | Inst |
| Highest Grade | No 0 |
| 1935 Residence | Illinois |
| 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 Thomas Mccormick across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Thomas Mccormick
Head · 1930 · age 62 · b. ~1868 · 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
50 people indexed on this census page (ia:1930:illinoiscensus00reel482:0886)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Anna Cunningham | 40 | Head | Proprietor | Illinois |
| 2 | James Cunningham | 18 | Son | — | Illinois |
| 3 | Alice Cunningham | 16 | Daughter | — | Illinois |
| 4 | Alice Scully | 37 | Sister | Helper | Illinois |
| 5 | William Lanigan | 14 | Nephew | Office Boy | Illinois |
| 6 | Mary F Langan | 45 | Head | Fitter | Illinois |
| 7 | Katherine L Langan | 43 | Sister | — | Illinois |
| 8 | Andrew Callahan | 55 | Lodger | Salesman | Illinois |
| 9 | Joseph Yanczyk | 30 | Head | Fireman | Illinois |
| 10 | Helen M Yanczyk | 24 | Wife | — | Illinois |
| 11 | Mary J Yanczyk | 3 | Daughter | — | Illinois |
| 12 | Eugene P Murphy | 36 | Head | Clerk | Illinois |
| 13 | Alice Murphy | 31 | Wife | — | Illinois |
| 14 | Patrick J Gibbons | 40 | Boarder | — | Illinois |
| 15 | James Connors | 71 | Head | Proprietor | Ireland |
| 16 | John A Connors | 24 | Son | Police Officer | Illinois |
| 17 | Thomas Burke | 33 | Head | Maintenance | Ireland |
| 18 | Mary Burke | 44 | Wife | — | Germany |
| 19 | Edward Burke | 24 | Son | Coil Maker | Illinois |
| 20 | Joseph Burke | 14 | Son | — | Illinois |
| 21 | Margaret Burke | 23 | Daughter | Stenographer | Illinois |
| 22 | Irene Burke | 20 | Daughter | — | Illinois |
| 23 | Dorothy Burke | 12 | Daughter | — | Illinois |
| 24 | Florence Burke | 10 | Daughter | — | Illinois |
| 25 | Agnes Burke | 8 | Daughter | — | Illinois |
| 26 | Catherine Starski | 10 | Granddaughter | — | Illinois |
| 27 | William Starski | 14 | Grandson | — | Illinois |
| 28 | Thomas Mccormick THIS PERSON | 62 | Head | Street Cleaner | Ireland |
| 29 | Margaret Mccormick | 60 | Wife | — | England |
| 30 | John Mccormick | 35 | Son | Street Cleaner | Illinois |
| 31 | Thomas Jr Mccormick | 33 | Son | Police Officer | Illinois |
| 32 | Edward Mccormick | 30 | Son | General Laborer | Illinois |
| 33 | Martin Mccormick | 28 | Son | Watchman | Illinois |
| 34 | Mary Mccormick | 30 | Daughter | General Laborer | Illinois |
| 35 | Margaret Mccormick | 28 | Daughter | Stenographer | Illinois |
| 36 | Catherine Mccormick | 25 | Daughter | — | Illinois |
| 37 | Anne Mccormick | 18 | Daughter | — | Illinois |
| 38 | John Ramzan | 45 | Head | Watchman | Illinois |
| 39 | Annie Ramzan | 39 | Wife | — | Illinois |
| 40 | John Ramzan | 13 | Son | — | Illinois |
| 41 | Lucille Ramzan | 12 | Daughter | — | Illinois |
| 42 | Daniel Ramzan | 10 | Son | — | Illinois |
| 43 | Dorothy Ramzan | 8 | Daughter | — | Illinois |
| 44 | Thomas Ramzan | 4 | Son | — | Illinois |
| 45 | James Ramzan | 2 | Son | — | Illinois |
| 46 | Anton Stransky | 57 | Head | — | Germany |
| 47 | Stanley Stransky | 30 | Son | Shipping Clerk | Illinois |
| 48 | Louis Stransky | 20 | Son | — | Illinois |
| 49 | Joseph Stransky | 25 | Son | Packer | Illinois |
| 50 | Frank Stransky | 18 | Son | Packer | 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)