MJ
Margaret Johnson — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Margaret Johnson across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 5-person household.
Age 49
b. ~1881
Female
Spouse
Born: Ireland
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Johnson |
| Given Name | Margaret M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1881 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Marion Johnson | Daughter | — | 25 | ~1905 |
| Mony Johnson | Head | — | 49 | ~1881 |
| Robert Johnson | Son | — | 7 | ~1923 |
| Walter Johnson | Son | — | 23 | ~1907 |
| Margaret Johnson | Spouse | — | 49 | ~1881 |
Census Appearances
1920
Cook, Illinois
Spouse, age 40
Cook, Illinois · implied b. ~1880 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1900 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Cook, Illinois
Spouse, age 49
Cook, Illinois · implied b. ~1881 — 5 household members
| Surname | Johnson |
| Given Name | Margaret M. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1892 |
| Age at First Marriage | 23 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Cook-County, Illinois
Other, age 58
Cook-County, Illinois · implied b. ~1882 — 40 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Johnson |
| Given Name | Mary |
| Relationship to Head | Inmate |
| Sex | F |
| Color / Race | White |
| Age | 58 |
| Marital Status | Single |
| Birthplace | Ireland |
| 1935 Residence (City) | Oak Forest vill |
| 1935 Residence (County) | Cook |
| Naturalization Status | Naturalized |
| Highest Grade | No 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 Margaret Johnson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Margaret Johnson
Spouse · 1930 · age 49 · b. ~1881 · 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:illinoiscensus00reel478:0506)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sigfred F. Raedel | 43 | Head | Chemist | South Dakota |
| 2 | George H. Raedel | 63 | Father | — | Denmark |
| 3 | Mary Raedel | 79 | Mother | — | Norway |
| 4 | Sigfreda Hansen | 40 | Servant | Servant | Norway |
| 5 | Percy C. Lance | 45 | Head | Physician | New York |
| 6 | Esther S. Lance | 33 | Wife | — | Illinois |
| 7 | Roger C. Lance | 7 | Son | — | Illinois |
| 8 | Audrey E. Lance | 5 | Daughter | — | Illinois |
| 9 | Willard Vogt | 32 | Head | Secretary | Illinois |
| 10 | Bernice M. Vogt | 32 | Wife | — | Illinois |
| 11 | Willard J. Vogt | 6 | Son | — | Illinois |
| 12 | Joy E. Vogt | 1 | Daughter | — | Illinois |
| 13 | Oscar Iverson | 57 | Head | Receiving Clk. | Illinois |
| 14 | Emma J. Iverson | 44 | Wife | — | Illinois |
| 15 | Leroy J. Iverson | 19 | Son | — | Illinois |
| 16 | William F. Iverson | 8 | Son | — | Illinois |
| 17 | Markus Smith | 15 | Roomer | — | Minnesota |
| 18 | Mony I. Johnson | 49 | Head | Engineer | Illinois |
| 19 | Margaret M. Johnson THIS PERSON | 49 | Wife | — | Ireland |
| 20 | Marion L. Johnson | 25 | Daughter | Teacher | Illinois |
| 21 | Walter A. Johnson | 23 | Son | Bookkeeper | Illinois |
| 22 | Robert P. Johnson | 7 | Son | — | Illinois |
| 23 | Louis A. Brunner | 48 | Head | Salesman | Illinois |
| 24 | Catherine E. Brunner | 41 | Wife | — | Illinois |
| 25 | Marie V. Brunner | 20 | Daughter | Stenographer | Illinois |
| 26 | Louise M. Brunner | 16 | Daughter | — | Illinois |
| 27 | Louis A. Brunner | 14 | Son | — | Illinois |
| 28 | Leona M. Brunner | 14 | Daughter | — | Illinois |
| 29 | Benjamin F. Stahl | 42 | Head | Salesman | Illinois |
| 30 | Grace M. Stahl | 42 | Wife | — | Illinois |
| 31 | Benjamin A. Stahl | 19 | Son | Artist | Illinois |
| 32 | Dorothy G. Stahl | 17 | Daughter | Clerk | Illinois |
| 33 | Maybelle Stahl | 13 | Daughter | — | Illinois |
| 34 | Lois M. Stahl | 10 | Daughter | — | Illinois |
| 35 | Catherine Christianson | 64 | Head | — | Illinois |
| 36 | Bernice Bottger | 17 | Granddaughter | Clerk | Illinois |
| 37 | Christ Bottger | 78 | Grandfather | — | Norway |
| 38 | John Anderson | 64 | Roomer | Stone Cutter | Norway |
| 39 | John Vunito | 54 | Roomer | Janitor | Italy |
| 40 | Charles A. Noland | 40 | Head | Credit Manager | Michigan |
| 41 | Helen Noland | 36 | Wife | — | Michigan |
| 42 | Charles L. Noland | 15 | Son | — | Michigan |
| 43 | William J. Noland | 13 | Son | — | Michigan |
| 44 | Mary H. Noland | 11 | Daughter | — | Michigan |
| 45 | Charlie Steffen | 31 | Head | Police Officer | Illinois |
| 46 | Esther Steffen | 30 | Wife | — | Illinois |
| 47 | Charlie Jr. Steffen | 9 | Son | — | Illinois |
| 48 | Leona M. Steffen | 7 | Daughter | — | Illinois |
| 49 | Nellie Peterson | 63 | Mother | — | Sweden |
| 50 | Jeanette Seefurth | 32 | Daughter | Manicurist | 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)