MJ
Margaret Jordan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Jordan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents John & John — first a daughter (b.~1919), then head of a 4-person household.
Age 21
b. ~1919
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jordan |
| Given Name | Margaret M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | stenographer |
| Industry | social agency |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 750 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Stenographer |
| Township / Ward | Chicago |
| Est. Birth Year | ~1919 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| John Jordan | Son | — | 18 | ~1922 |
| Margaret Jordan | Daughter | — | 21 | ~1919 |
| Grace Jordan | Spouse | — | 58 | ~1882 |
| John Jordan | Head | — | 61 | ~1879 |
Census Appearances
1920
Cook, Illinois
Daughter, age 1
Cook, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jordan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 11
Cook, Illinois · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jordan |
| Given Name | Margaret D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Daughter, age 21
Cook-County, Illinois · implied b. ~1919 — 4 household members
| Surname | Jordan |
| Given Name | Margaret M. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | stenographer |
| Industry | social agency |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 750 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| 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 Margaret Jordan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Jordan (~0.92 confidence) and father John Jordan (~0.92 confidence) and father John Jordan (~0.92 confidence) and mother Catherine Jordan (~0.92 confidence) and mother Grace Jordan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Jordan
b. ~1879
Source father
● Household
· direct · ~0.92
Father
John Jordan
b. ~1891
Source father
● Household
· direct · ~0.92
Father
John Jordan
b. ~1890
Source father
● Household
· direct · ~0.92
Mother
Catherine Jordan
b. ~1892
Source mother
● Household
· direct · ~0.92
Mother
Grace Jordan
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Jordan
Daughter · 1940 · age 21 · b. ~1919 · Illinois
★ You are viewing this record
Sibling
John Jordan
Sibling · 1940 · age 18
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
1940 US Federal Census — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
37 people indexed on this census page (nara:1940:m-t0627-00996-00662)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John P. Jordan | 61 | head | Alloy Inspector | Illinois |
| 2 | Grace Jordan | 58 | wife | — | Illinois |
| 3 | Margaret M. Jordan THIS PERSON | 21 | daughter | Stenographer | Illinois |
| 4 | John P. Jr. Jordan | 18 | son | Printing Helper | Illinois |
| 5 | John T. Vitullos | 62 | head | Contractor | Italy |
| 6 | Francis Vitullos | 57 | wife | — | Illinois |
| 7 | John Vitullos | 22 | son | Contractors Helper | Illinois |
| 8 | Louis Vitullos | 15 | son | — | Illinois |
| 9 | Andrew Edwards | 75 | head | — | England |
| 10 | Alice Edwards | 72 | wife | — | Illinois |
| 11 | Patrick Wallace | 30 | head | Clerk | Illinois |
| 12 | Margaret Wallace | 35 | sister | Typist | Illinois |
| 13 | Johanna Enright | 60 | housekeeper | Housekeeper | Eire |
| 14 | Mary Shanahan | 65 | head | — | Illinois |
| 15 | John Shanahan | 33 | son | Office Clerk | Illinois |
| 16 | William Shanahan | 32 | son | Policeman | Illinois |
| 17 | Walter Shanahan | 31 | son | Police Man | Illinois |
| 18 | Richard Shanahan | 22 | son | Office Clerk | Illinois |
| 19 | Mary Shanahan | 25 | daughter | Operator | Illinois |
| 20 | Arthur Grafer | 32 | head | Asst. Credit Man | Illinois |
| 21 | Anne Grafer | 33 | wife | — | Russia |
| 22 | Robert Grafer | 3 | son | — | Illinois |
| 23 | Kate H. Welch | 69 | head | — | Illinois |
| 24 | George Welch | 67 | brother | — | Illinois |
| 25 | Arthur Welch | 64 | brother | Candy Salesman | Illinois |
| 26 | Alfred Link | 64 | head | Barber | Wisconsin |
| 27 | Elizabeth Link | 51 | wife | — | Illinois |
| 28 | Geraldine Link | 32 | daughter | Office Clerk | Illinois |
| 29 | Thomas Mulvihill | 28 | head | Electrical Operator | Illinois |
| 30 | Agnes Mulvihill | 27 | wife | — | Illinois |
| 31 | Carol Jean Mulvihill | 3 | daughter | — | Illinois |
| 32 | Thomas Jr. Mulvihill | 0 | son | — | Illinois |
| 33 | Margaret Mcgetrick | 75 | head | — | Wisconsin |
| 34 | Frances Mcgetrick | 45 | daughter | — | Illinois |
| 35 | Tribute Feltman | 43 | head | — | Illinois |
| 36 | Frank Slaskon | 41 | roomer | Chauffeur | Illinois |
| 37 | James Cortina | 45 | head | Foreman | Italy |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)