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Margaret Mcgrath — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Oakland-County, Michigan
Our Model Tree links this Margaret Mcgrath across the 1920, 1930 and 1940 US Censuses in Oakland-County, Michigan (XGBoost, ~Confirmed) — first a head (b.~1865), then head of a 2-person household.
Age 75
b. ~1865
Female
Head
Born: Canada
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Oakland-County, Michigan |
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Canada |
| 1935 Residence (City) | Detroit |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Michigan |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
| Township / Ward | Royal Oak City |
| Est. Birth Year | ~1865 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mcgrath | Head | — | 75 | ~1865 |
| Chadburn Mcgrath | Son | — | 44 | ~1896 |
Census Appearances
1920
Wayne, Michigan
Head, age 55
Wayne, Michigan · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Canada |
| Year of Immigration | 1890 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth Country | Canada |
| Year of Naturalization | 1890 |
| Birthplace (normalized) | canada |
1930
Wayne, Michigan
Head, age 65
Wayne, Michigan · implied b. ~1865 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 65 |
| Marital Status | Widowed |
| Birthplace | Canada |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Age at First Marriage | 24 |
| Father's Birthplace | Canada |
| Mother's Birthplace | Canada |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Home Value / Rent | 60 |
| Radio Set | R |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
1940
Oakland-County, Michigan
Head, age 75
Oakland-County, Michigan · implied b. ~1865 — 2 household members
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 75 |
| Marital Status | Widowed |
| Birthplace | Canada |
| 1935 Residence (City) | Detroit |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Michigan |
| Birth Country | Canada |
| Birthplace (normalized) | canada |
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 Mcgrath 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 Mcgrath
Head · 1940 · age 75 · b. ~1865 · Michigan
★ 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 — 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-t0627-01802-00621)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Byron Pond | 30 | Head | Tree Surgery | Michigan |
| 42 | Irene Pond | 28 | Wife | — | Michigan |
| 43 | Byron Jr. Pond | 3 | Son | — | Michigan |
| 44 | Harry Kipp | 52 | Head | Inspector | Ohio |
| 45 | Audrey Kipp | 53 | Wife | — | Ohio |
| 46 | Edward Amell | 36 | Head | Tool And Die Maker | Michigan |
| 47 | Clarice Amell | 31 | Wife | — | Michigan |
| 48 | Jerry Amell | 2 | Son | — | Michigan |
| 49 | Richard Nash | 32 | Head | Electrician | Michigan |
| 50 | Ruby Nash | 29 | Wife | — | Ohio |
| 51 | Douglas Nash | 8 | Son | — | Michigan |
| 52 | Ellis Thomas | 55 | Head | — | Ohio |
| 53 | William Thomas | 22 | Son | Toolgrinder | Michigan |
| 54 | Mary Thomas | 19 | Daughter in law | — | Michigan |
| 55 | Margaret Mcgrath THIS PERSON | 75 | Head | — | Canada |
| 56 | Chadburn Mcgrath | 44 | Son | Salesman | Michigan |
| 57 | Cecil J. Caster | 68 | Head | Truck Driver | Canada |
| 58 | Dena Caster | 50 | Wife | — | Canada |
| 59 | Betty Caster | 16 | Daughter | — | Michigan |
| 60 | Cecil Caster | 15 | Son | — | Michigan |
| 61 | Lavina Madgwick | 72 | Head | — | England |
| 62 | Louis Dentner | 44 | Head | Head Waiter | Germany |
| 63 | Frieda Dentner | 43 | Wife | — | Michigan |
| 64 | Deloris Dentner | 2 | Daughter | — | Michigan |
| 65 | Mildred Ohmke | 23 | Daughter | Stenographer | Michigan |
| 66 | Phyllis Ohmke | 18 | Daughter | Stenographer | Michigan |
| 67 | Electa White | 68 | Head | — | Pennsylvania |
| 68 | Bickwood Reid | 53 | Head | Mechanic | Canada |
| 69 | Gertrude Reid | 50 | Wife | — | Canada |
| 70 | Doris Reid | 24 | Daughter | — | Michigan |
| 71 | Jack Tilchinger | 36 | Head | Salesman | Michigan |
| 72 | Margaret Tilchinger | 32 | Wife | Stenographer | Scotland |
| 73 | Harry Beets | 40 | Head | Salesman | Michigan |
| 74 | Pearl Beets | 36 | Wife | — | Michigan |
| 75 | Richard Reinecke | 56 | Head | Painter & Decorator | Germany |
| 76 | Laura Reinecke | 54 | Wife | — | Pennsylvania |
| 77 | Edgar Reinecke | 25 | Son | Clerk | Michigan |
| 78 | Wilfert Miller | 35 | Head | Carpenter | Indiana |
| 79 | Esther Miller | 31 | Wife | — | Indiana |
| 80 | Virginia Miller | 9 | Daughter | — | Indiana |
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)