MK
Margaret Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Winnebago-County, Illinois
Our Model Tree links this Margaret Kennedy across the 1920, 1930 and 1940 US Censuses in Winnebago-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Winnebago-County, Illinois |
| Surname | Kennedy |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Additional Details | |
| Occupation | Social worker |
| Industry | Catholic Charities |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 360 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Social Worker |
| Township / Ward | Rockford City |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Kennedy | Daughter | — | 23 | ~1917 |
| Patricia Kennedy | Daughter | — | 17 | ~1923 |
| James Kennedy | Head | — | 65 | ~1875 |
| David Kennedy | Son | — | 22 | ~1918 |
| Robert Kennedy | Son | — | 22 | ~1918 |
| James Kennedy | Son | — | 26 | ~1914 |
| Maurice Kennedy | Son | — | 14 | ~1926 |
| Alice Kennedy | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Winnebago, Illinois
Daughter, age 3
Winnebago, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Winnebago, Illinois
Daughter, age 13
Winnebago, Illinois · implied b. ~1917 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Winnebago-County, Illinois
Daughter, age 23
Winnebago-County, Illinois · implied b. ~1917 — 8 household members
| Surname | Kennedy |
| Given Name | Margaret M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Rockford City |
| 1935 Residence (County) | Winnebago |
| Occupation | Social worker |
| Industry | Catholic Charities |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 360 |
| Highest Grade | C 4 |
| 1935 Residence | Same house |
| 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 Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Kennedy (~0.92 confidence) and father James Kennedy (~0.92 confidence) and mother Alice Kennedy (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Kennedy
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Kennedy
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Alice Kennedy
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Kennedy
Daughter · 1940 · age 23 · b. ~1917 · Illinois
★ You are viewing this record
Sibling
Patricia Kennedy
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Kennedy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Kennedy
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Maurice Kennedy
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Kennedy
Sibling · 1940 · age 26
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 — Winnebago-County, Illinois
Open full size
1940 US Federal Census — Winnebago-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00913-00125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Campbell | 52 | Sister | — | Illinois |
| 2 | Harry Campbell | 53 | Brother | Proprietor | Illinois |
| 3 | Raymond Reed | 43 | Head | Receiving Clerk | Illinois |
| 4 | Mark Blickner | 40 | Head | Clerk | Wisconsin |
| 5 | Alma Blickner | 33 | Wife | Telephone Operator | Iowa |
| 6 | Dick Davis | 15 | Son | — | Iowa |
| 7 | Gertrude Soule | 64 | Head | Practical Nurse | Illinois |
| 8 | Charles A. Soule | 69 | Husband | — | Wisconsin |
| 9 | William Soule | 20 | Son | Desk Work | Illinois |
| 10 | John Soule | 19 | Son | Bus Boy | Illinois |
| 11 | Charles Sherbondy | 33 | Head | Accountant | Illinois |
| 12 | Helen Sherbondy | 35 | Daughter | — | Illinois |
| 13 | Patricia Sherbondy | 12 | Daughter | — | Illinois |
| 14 | Riccardo Campobello | 55 | Head | Laborer | Italy |
| 15 | Virginia Campobello | 49 | Wife | — | Italy |
| 16 | Frances Campobello | 22 | Daughter | Sewer | Illinois |
| 17 | Samuel Campobello | 19 | Son | Apprentice | Illinois |
| 18 | Richard Campobello | 17 | Son | Apprentice | Illinois |
| 19 | Mary Ann Campobello | 15 | Daughter | — | Illinois |
| 20 | Andrew Campobello | 10 | Son | — | Illinois |
| 21 | Alfred D. Wood | 70 | Head | Funeral Director | Wisconsin |
| 22 | Grace Wood | 63 | Wife | — | Illinois |
| 23 | James M. Pratt | 75 | Head | Eye, Ear, Nose & Throat Doctor | Illinois |
| 24 | Marie Pratt | 59 | Wife | Landlady | Norway |
| 25 | Marie Robyns | 40 | Head | Teacher | Kentucky |
| 26 | Alice Beatty | 48 | Head | Teacher | Illinois |
| 27 | Sarah Burr | 48 | Head | Teacher | Iowa |
| 28 | Alice E. Callahan | 70 | Head | — | Illinois |
| 29 | Peter Hansen | 42 | Head | Laborer | Denmark |
| 30 | Nora Hansen | 33 | Wife | — | Minnesota |
| 31 | Marie Hansen | 17 | Daughter | Clerk | Iowa |
| 32 | Adama|Adams Hansen | 13 | Daughter | — | Iowa |
| 33 | James M. Kennedy | 65 | Head | Construction Foreman | Illinois |
| 34 | Alice Kennedy | 53 | Wife | — | Illinois |
| 35 | James A. Kennedy | 26 | Son | Meat Salesman | Illinois |
| 36 | Margaret M. Kennedy THIS PERSON | 23 | Daughter | Social Worker | Illinois |
| 37 | David P. Kennedy | 22 | Son | Machinist | Illinois |
| 38 | Robert J. Kennedy | 22 | Son | Packer | Illinois |
| 39 | Patricia L. Kennedy | 17 | Daughter | — | Illinois |
| 40 | Maurice Kennedy | 14 | Son | — | Illinois |
Related Census Records
Pedigree Summary
Margaret + 5 siblings
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)