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Margaret Mcgrath — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calumet-County, Wisconsin
Our Model Tree links this Margaret Mcgrath across the 1920, 1930 and 1940 US Censuses in Calumet-County, Wisconsin (XGBoost, ~Confirmed), with identified parents Frances & James — first a daughter (b.~1918), then head of a 4-person household.
Age 22
b. ~1918
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calumet-County, Wisconsin |
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chilton City |
| 1935 Residence (County) | Calumet |
| Additional Details | |
| Occupation | Student |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Occupation | Student |
| Township / Ward | Chilton City |
| Est. Birth Year | ~1918 |
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 |
|---|---|---|---|---|
| Leona Mcgrath | Spouse | — | 48 | ~1892 |
| Franklin Mcgrath | Son | — | 21 | ~1919 |
| Margaret Mcgrath | Daughter | — | 22 | ~1918 |
| Dr Mcgrath | Head | — | 47 | ~1893 |
Census Appearances
1920
Calumet, Wisconsin
Daughter, age 3
Calumet, Wisconsin · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1930
Calumet, Wisconsin
Daughter, age 13
Calumet, Wisconsin · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McGrath |
| Given Name | Margaret A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Calumet-County, Wisconsin
Daughter, age 22
Calumet-County, Wisconsin · implied b. ~1918 — 4 household members
| Surname | McGrath |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Chilton City |
| 1935 Residence (County) | Calumet |
| Occupation | Student |
| Class of Worker | 0 |
| Income (1939) | 0 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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. Identified parents: mother Frances Mcgrath (~0.92 confidence) and father James Mcgrath (~0.92 confidence) and mother Leona Mcgrath (~0.92 confidence) and father Dr Mcgrath (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Frances Mcgrath
b. ~1891
Source mother
● Household
· direct · ~0.92
Father
James Mcgrath
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Leona Mcgrath
b. ~1892
Source mother
● Household
· direct · ~0.92
Father
Dr Mcgrath
b. ~1893
Source father
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mcgrath
Daughter · 1940 · age 22 · b. ~1918 · Wisconsin
★ You are viewing this record
Sibling
Franklin Mcgrath
Sibling · 1940 · age 21
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 — Calumet-County, Wisconsin
Open full size
1940 US Federal Census — Calumet-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04463-00158)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Evelyn Schneider | 24 | Maid | Maid | Wisconsin |
| 42 | — | None | — | — | — |
| 43 | Mrs. Mollie Kroehke | 62 | Head | Housekeeper | Wisconsin |
| 44 | Cyril Pfeffer | 41 | Son-in-law | Postal Clerk | Wisconsin |
| 45 | Leona Pfeffer | 38 | Daughter | Housewife | Michigan |
| 46 | James Pfeffer | 14 | Grandson | Student | Wisconsin |
| 47 | Dr. R.C. Mcgrath | 47 | Head | Professional Dentist | Wisconsin |
| 48 | Leona Mcgrath | 48 | Wife | Housewife | Wisconsin |
| 49 | Margaret Mcgrath THIS PERSON | 22 | Daughter | Student | Wisconsin |
| 50 | Franklin Mcgrath | 21 | Son | Student | Wisconsin |
| 51 | Robert C. Hugo | 57 | Head | President - Bank | Wisconsin |
| 52 | Genevieve Hugo | 53 | Wife | Housewife | Wisconsin |
| 53 | Robert Hugo | 22 | Son | Student | Wisconsin |
| 54 | George Hugo | 19 | Son | Student | Wisconsin |
| 55 | Arthur Hugo | 16 | Son | Student | Wisconsin |
| 56 | Dr. John N. Higgins | 71 | Head | Professional - Dentist | Wisconsin |
| 57 | Elizabeth Higgins | 63 | Wife | Housewife | Wisconsin |
| 58 | Norman Higgins | 32 | Son | — | Wisconsin |
| 59 | Luella Thuer | 59 | Wife | Housewife | Wisconsin |
| 60 | Charles Thuer | 64 | Head | Manager | Wisconsin |
| 61 | Dr. John Goggins | 57 | Head | Medical Doctor | Wisconsin |
| 62 | Mina Goggins | 59 | Wife | Housewife | Ohio |
| 63 | Mrs. Ida Noll | 75 | Head | Housekeeper | Wisconsin |
| 64 | — | None | — | — | — |
| 65 | A.S. Hipke | 70 | Head | Druggist | Wisconsin |
| 66 | Lester Hipke | 43 | Son | Salesman | Wisconsin |
| 67 | Floyd Schauette | 42 | Head | Electrician | Wisconsin |
| 68 | Anna Marie Schauette | 38 | Wife | Housewife | Wisconsin |
| 69 | Harland Schauette | 13 | Son | — | Wisconsin |
| 70 | Virginia Schauette | 12 | Daughter | — | Wisconsin |
| 71 | Ina Claire Schauette | 5 | Daughter | — | Wisconsin |
| 72 | Glen Schauette | 2 | Son | — | Wisconsin |
| 73 | Mrs. Mary Schabach | 77 | Mother-in-law | Retired | Wisconsin |
| 74 | Alice Gallet | 55 | Head | Housekeeper | Oregon |
| 75 | Edward Gallet | 63 | Brother | Solicitor | Wisconsin |
| 76 | Helen Gallet | 61 | Sister | Book-Keeper | Wisconsin |
| 77 | — | None | — | — | — |
| 78 | Mrs. Elizabeth Gerthunger | 58 | Head | Music Instructor | Wisconsin |
| 79 | Charles St. Peter | 23 | Roomer | Journalist | Michigan |
| 80 | Mrs. Emma Paische | 65 | Roomer | Retired | Marinette |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 4 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)