MM
Margaret Morgan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Margaret Morgan across the 1920, 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed), with identified parents Michael & Mary — first a spouse (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Female
Spouse
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Morgan |
| Given Name | Margaret R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1914 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Clement Morgan | Head | — | 31 | ~1909 |
| William Morgan | Son | — | 2 | ~1938 |
| Margaret Morgan | Spouse | — | 26 | ~1914 |
Census Appearances
1920
Cook, Illinois
Daughter, age 5
Cook, Illinois · implied b. ~1915 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Daughter, age 16
Cook, Illinois · implied b. ~1914 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morgan |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Spouse, age 26
Cook-County, Illinois · implied b. ~1914 — 3 household members
| Surname | Morgan |
| Given Name | Margaret R. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 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 Morgan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Morgan (~0.92 confidence) and mother Mary Morgan (~0.92 confidence) and mother Mary Morgan (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Morgan
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Mary Morgan
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mary Morgan
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Morgan
Spouse · 1940 · age 26 · b. ~1914 · Illinois
★ You are viewing this record
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-t0627-01023-00855)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ruth Mccallum | 32 | Wife | — | Sweden |
| 42 | Marguerite Mccallum | 5 | Daughter | — | Illinois |
| 43 | George J. Pederson | 42 | Head | Partner | Wisconsin |
| 44 | Margaret J. Pederson | 42 | Wife | Office Manager | Illinois |
| 45 | John M. Doran | 63 | Father | Motorman | Northern Ireland |
| 46 | Wilbert R. Ebert | 20 | Head | Salesman | Illinois |
| 47 | Virginia D. Ebert | 24 | Wife | — | Missouri |
| 48 | Sally Jean Ebert | 0 | Daughter | — | Illinois |
| 49 | Russel Lund | 32 | Head | Supervisor | Illinois |
| 50 | Pearl Lund | 33 | Wife | Credit Dept. | Illinois |
| 51 | Arthur J. Seguin | 24 | Head | Manager | Illinois |
| 52 | Mary G. Seguin | 23 | Wife | — | Illinois |
| 53 | David A. Keeland | 33 | Head | Accountant | Illinois |
| 54 | Leone B. Keeland | 28 | Wife | — | Illinois |
| 55 | Mary E. Keeland | 5 | Daughter | — | Illinois |
| 56 | Clement W. Morgan | 31 | Head | Insurance Adjuster | Wisconsin |
| 57 | Margaret R. Morgan THIS PERSON | 26 | Wife | — | Illinois |
| 58 | William J. Morgan | 2 | Son | — | Illinois |
| 59 | Harvey W. Kotzenberg | 34 | Head | Salesman | Illinois |
| 60 | Irene L. Kotzenberg | 32 | Wife | — | Illinois |
| 61 | William E. Kotzenberg | 2 | Son | — | Illinois |
| 62 | Nels W. Anderson | 56 | Head | Cutting Dye | Sweden |
| 63 | Anna G. Anderson | 50 | Wife | — | Wisconsin |
| 64 | Dorothy Bingham | 23 | Daughter | — | Illinois |
| 65 | Le Roy L. Bingham | 25 | Son-in-law | Salesman | Illinois |
| 66 | Vincent E. Murphy | 49 | Head | Salesman | Wisconsin |
| 67 | Margaret E. Murphy | 46 | Wife | — | Illinois |
| 68 | Katherine G. Murphy | 18 | Daughter | Page Girl | Illinois |
| 69 | Vincent E. Jr. Murphy | 16 | Son | — | Illinois |
| 70 | Georgine L. Murphy | 12 | Daughter | — | Illinois |
| 71 | Nellie Coniker | 74 | Mother-in-law | — | Wisconsin |
| 72 | Thomas E. Duffey | 48 | Head | Asst. Foreman | Illinois |
| 73 | Elizabeth G. Duffey | 43 | Wife | — | Illinois |
| 74 | Thomas E. Jr. Duffey | 21 | Son | Laborer | Illinois |
| 75 | Betty Jean Duffey | 18 | Daughter | — | Illinois |
| 76 | Frank O. Stein | 48 | Head | Freight Agent | Illinois |
| 77 | Dorothy G. Stein | 38 | Wife | Owner Operator | Wisconsin |
| 78 | Frank Stein | 10 | Son | — | Illinois |
| 79 | James Stein | 8 | Son | — | Illinois |
| 80 | Helen A. Morland | 20 | Housekeeper | Housekeeper | Wisconsin |
Pedigree Summary
Margaret
Gen 1 · 3 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)