MC
Margaret Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Margaret Cunningham across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed), with identified parents Elizabeth & William — first a daughter (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Female
Daughter
Born: Scotland
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | Cunningham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Naturalization Status | Alien |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Township / Ward | Pontiac |
| Est. Birth Year | ~1905 |
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 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cunningham | Daughter | — | 35 | ~1905 |
| Janie Cunningham | Daughter | — | 33 | ~1907 |
| William Cunningham | Head | — | 59 | ~1881 |
| Allan Cunningham | Son | — | 20 | ~1920 |
| Elizabeth Cunningham | Spouse | — | 59 | ~1881 |
Census Appearances
1920
Wayne, Michigan
Daughter, age 14
Wayne, Michigan · implied b. ~1906 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Scotland |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Scotch |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Oakland, Michigan
Daughter, age 25
Oakland, Michigan · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Margaret D. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Alien |
| Year of Immigration | 1913 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Oakland-County, Michigan
Daughter, age 35
Oakland-County, Michigan · implied b. ~1905 — 5 household members
| Surname | Cunningham |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Scotland |
| 1935 Residence (City) | Pontiac |
| 1935 Residence (County) | Oakland |
| Naturalization Status | Alien |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Cunningham across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: mother Elizabeth Cunningham (~0.92 confidence) and father William Cunningham (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Elizabeth Cunningham
b. ~1881
Source mother
● Household
· direct · ~0.92
Father
William Cunningham
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Cunningham
Daughter · 1940 · age 35 · b. ~1905 · Michigan
★ You are viewing this record
Sibling
Janie Cunningham
Sibling · 1940 · age 33
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Allan Cunningham
Sibling · 1940 · age 20
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 — Oakland-County, Michigan
Open full size
1940 US Federal Census — Oakland-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01800-00679)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Ruth Ridley | 24 | Daughter | Power Machine Operator | Canada Eng |
| 2 | Fred Ridley | 15 | Son | — | Michigan |
| 3 | Russell Ridley | 12 | Son | — | Michigan |
| 4 | William J. Cunningham | 59 | Head | Electrician | Scotland |
| 5 | Elizabeth Cunningham | 59 | Wife | — | Scotland |
| 6 | Margaret Cunningham THIS PERSON | 35 | Daughter | — | Scotland |
| 7 | Janie Cunningham | 33 | Daughter | Cook | Scotland |
| 8 | Allan Cunningham | 20 | Son | New Worker | Michigan |
| 9 | Mickel Flahut | 31 | Head | Utility Man | Canada Eng |
| 10 | Barbara Flahut | 26 | Wife | — | Michigan |
| 11 | Garnet J. Flahut | 5 | Daughter | — | Michigan |
| 12 | Mildred Dabbyn | 24 | Lodger | Secretary | Michigan |
| 13 | Ritchie Johnston | 42 | Head | Manager | Canada Eng |
| 14 | Ella Johnston | 48 | Wife | — | Canada Eng |
| 15 | Blair Johnston | 10 | Son | — | Michigan |
| 16 | Gordon Johnston | 6 | Son | — | Michigan |
| 17 | Bruce Johnston | 4 | Son | — | Michigan |
| 18 | Garth Johnston | 0 | Son | — | Michigan |
| 19 | Ernest Painter | 53 | Head | Oven Controller | Ohio |
| 20 | Minnie Painter | 59 | Wife | Janitress | N. Ireland |
| 21 | Wesley Sheridan | 33 | Lodger | Welder | Minnesota |
| 22 | John Robbins | 46 | Lodger | Mechanic | Mich |
| 23 | Alvin Forest | 41 | Lodger | Mechanic | Iowa |
| 24 | Stanely Parker | 30 | Lodger | Assembly | Indiana |
| 25 | Thomas Bartle | 41 | Head | Mechanic | Maryland |
| 26 | Mary Bartle | 42 | Wife | — | W. Virginia |
| 27 | Thomas Jr. Bartle | 19 | Son | — | Virginia |
| 28 | Leroy Bartle | 16 | Son | — | Maryland |
| 29 | Robert Bartle | 13 | Son | — | Maryland |
| 30 | Glen Bartle | 18 | Son | New Worker | Maryland |
| 31 | Evelyn Bartle | 22 | Daughter in law | Waitress | Missouri |
| 32 | Garner Keogan | 23 | Head | Manager | Mississippi |
| 33 | Irene Keogan | 24 | Wife | — | Iowa |
| 34 | Evelyn Keogan | 1 | Daughter | — | Michigan |
| 35 | Garner Jr. Keogan | 0 | Son | — | Michigan |
| 36 | Joseph Keogan | 21 | Brother | Attendant | Mississippi |
| 37 | Imogene Keogan | 20 | Sister in law | Salesgirl | Mississippi |
| 38 | Paul L. Krugman | 46 | Head | Engineer | Ohio |
| 39 | Mable Krugman | 48 | Wife | — | Ohio |
| 40 | Melvin Krugman | 12 | Son | — | Michigan |
Related Census Records
Search for Margaret Cunningham
All Margaret Cunningham Census Records Discover Cunningham Family TreePedigree Summary
Margaret + 2 siblings
Gen 1 · 2 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)