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John Baird — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Baird across the 1920 and 1930 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1907), then head of a 7-person household.
Age 23
b. ~1907
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Traffic Clerk |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Traffic Clerk |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ronald Mcandrews | Son | — | 1 | ~1929 |
| Kenneth Mcandrews | Son | — | 6 | ~1924 |
| Laura Mcandrews | Spouse | — | 25 | ~1905 |
| Emma Mcandrews | Daughter | — | 2 | ~1928 |
| Kenneth Mcandrews | Head | — | 29 | ~1901 |
| John Baird | Son | — | 23 | ~1907 |
| Emma Baird | Other | — | 24 | ~1906 |
Census Appearances
1920
Cook, Illinois
Son, age 12
Cook, Illinois · implied b. ~1908 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| 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 23
Cook, Illinois · implied b. ~1907 — 7 household members
| Surname | Baird |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Traffic Clerk |
| Industry | Railroad |
| Class of Worker | W |
| 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 Baird across 2 US Census years (1920 and 1930) in Cook, Illinois, using XGBoost record linkage.
Show:
This person
Anchor record
John Baird
Son · 1930 · age 23 · b. ~1907 · Illinois
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Sibling
Ronald Mcandrews
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Mcandrews
Sibling · 1930 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emma Mcandrews
Sibling · 1930 · age 2
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:illinoiscensus00reel424:0279)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen White | 12 | Niece | — | Illinois |
| 2 | William Sr Fox | 42 | Head | Assistant | Kentucky |
| 3 | Marie Fox | 38 | Wife | — | Kentucky |
| 4 | William Jr Fox | 11 | Son | — | Kentucky |
| 5 | Mary Margaret Fox | 11 | Daughter | — | Kentucky |
| 6 | George Thomas Fox | 5 | Son | — | Kentucky |
| 7 | Walter G Wilson | 47 | Head | Driver | Illinois |
| 8 | Edna V Wilson | 41 | Wife | — | Illinois |
| 9 | Walter B Wilson | 16 | Son | — | Illinois |
| 10 | Frances E Wilson | 13 | Daughter | Office Boy | Illinois |
| 11 | Woodrow J Wilson | 12 | Son | — | Illinois |
| 12 | Catherine Wilson | 10 | Son | — | Illinois |
| 13 | Virginia H Wilson | 9 | Daughter | — | Illinois |
| 14 | Edward E Wilson | 7 | Son | — | Illinois |
| 15 | Wenzel Kubicek | 55 | Head | Janitor | Romania |
| 16 | Angie Kubicek | 48 | Wife | — | Yugoslavia |
| 17 | John Kubicek | 26 | Son | Meter Tester | Yugoslavia |
| 18 | Thomas Kubicek | 24 | Son | Meter Tester | Yugoslavia |
| 19 | Helen Kubicek | 14 | Daughter | — | Illinois |
| 20 | Kenneth Mcandrews | 29 | Head | Manager | Illinois |
| 21 | Laura Mcandrews | 25 | Wife | — | Illinois |
| 22 | Kenneth Mcandrews | 6 | Son | — | Illinois |
| 23 | Emma Jane Mcandrews | 2 | Daughter | — | Illinois |
| 24 | Ronald Mcandrews | 1 | Son | — | Illinois |
| 25 | Emma Baird | 24 | Sister-in-law | Bookkeeper | Indiana |
| 26 | John Baird THIS PERSON | 23 | Son | Traffic Clerk | Illinois |
| 27 | Thomas Gillbride | 55 | Head | Laborer | Irish Free State |
| 28 | John G Gillbride | 26 | Son | Plasterer | Illinois |
| 29 | Thomas J Gillbride | 23 | Son | Checker | Illinois |
| 30 | Mary Gillbride | 21 | Daughter | Stenographer | Illinois |
| 31 | Patrick Gillbride | 15 | Son | — | Illinois |
| 32 | Francis Delany | 36 | Head | Operator | Illinois |
| 33 | Marion Delany | 15 | Daughter | — | Illinois |
| 34 | Phoebe Delany | 12 | Daughter | — | Illinois |
| 35 | George Delany | 7 | Son | — | Illinois |
| 36 | Harry Melscad | 43 | Head | Conductor | Kentucky |
| 37 | Ethel Melscad | 36 | Wife | — | Illinois |
| 38 | Ethel E Melscad | 16 | Daughter | — | Illinois |
| 39 | John Melscad | 15 | Son | — | Illinois |
| 40 | Robert Melscad | 12 | Son | — | Illinois |
| 41 | Margaret Melscad | 8 | Daughter | — | Illinois |
| 42 | Morgan | 45 | Head | Painter | Indiana |
| 43 | Morgan | 42 | Wife | — | Indiana |
| 44 | Ruth Morgan | 18 | Daughter | — | Indiana |
| 45 | Clayton Morgan | 15 | Son | — | Indiana |
| 46 | William Mahley | 44 | Head | — | Ohio |
| 47 | Mildred Mahley | 20 | Daughter | Operator | Ohio |
| 48 | Carl Berquist | 42 | Roomer | Salesman | Wisconsin |
| 49 | Alma Bates | 37 | Roomer | Cashier | Ohio |
| 50 | Eugene Maese | 43 | Head | Machinist | 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)