MC
Margaret Carroll — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Milwaukee-County, Wisconsin
Our Model Tree links this Margaret Carroll across the 1930 and 1940 US Censuses in Milwaukee-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 11-person household.
Age 12
b. ~1928
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Milwaukee-County, Wisconsin |
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (County) | Milwaukee |
| Additional Details | |
| Highest Grade | No 7 |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Milwaukee |
| Est. Birth Year | ~1928 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Margaret | Age | Birth yr |
|---|---|---|---|---|
| Patricia Carroll | Daughter | — | 18 | ~1922 |
| John Carroll | Son | — | 7 | ~1933 |
| Margaret Carroll | Daughter | — | 12 | ~1928 |
| Philip Carroll | Son | — | 5 | ~1935 |
| Patrick Carroll | Son | — | 9 | ~1931 |
| Beatrice Carroll | Daughter | — | 16 | ~1924 |
| Caroline Carroll | Daughter | — | 2 | ~1938 |
| Helen Carroll | Head | — | 38 | ~1902 |
| Barbara Carroll | Daughter | — | 3 | ~1937 |
| Bernadine Carroll | Daughter | — | 14 | ~1926 |
| Gerald Carroll | Son | — | 11 | ~1929 |
Census Appearances
1930
Milwaukee, Wisconsin
Daughter, age 2
Milwaukee, Wisconsin · implied b. ~1928 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Milwaukee-County, Wisconsin
Daughter, age 12
Milwaukee-County, Wisconsin · implied b. ~1928 — 11 household members
| Surname | Carroll |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (County) | Milwaukee |
| Highest Grade | No 7 |
| 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 Carroll across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Carroll
Daughter · 1940 · age 12 · b. ~1928 · Wisconsin
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Sibling
John Carroll
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Carroll
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Carroll
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Beatrice Carroll
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Carroll
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Carroll
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernadine Carroll
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Carroll
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patricia Carroll
Sibling · 1940 · age 18
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 — Milwaukee-County, Wisconsin
Open full size
1940 US Federal Census — Milwaukee-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04545-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Darlene Brown | 2 | daughter | — | Wisconsin |
| 42 | Raymond Brown | 12 | son | — | Wisconsin |
| 43 | Irvin Constantinau | 29 | Head | Meat Packing Plant | Michigan |
| 44 | Maybell Constantinau | 35 | Wife | — | Iowa |
| 45 | Edward Stringfellow | 26 | Roomer | Meat Packing Plant | Iowa |
| 46 | Helen Stringfellow | 28 | Roomer | Shoppe Restaurant | Missouri |
| 47 | Raymond Mothrade | 23 | Head | Wholesale Lumber Co. | Wisconsin |
| 48 | Mildred Mothrade | 23 | Wife | — | North Dakota |
| 49 | Anka Grahahek | 59 | Inlaw | — | Austria |
| 50 | Helen Carroll | 38 | Head | — | Wisconsin |
| 51 | Patricia Carroll | 18 | daughter | Nya Sewing Project | Wisconsin |
| 52 | Beatrice Carroll | 16 | daughter | Retail Grocery | Wisconsin |
| 53 | Bernadine Carroll | 14 | daughter | — | Wisconsin |
| 54 | Margaret Carroll THIS PERSON | 12 | daughter | — | Wisconsin |
| 55 | Gerald Carroll | 11 | son | — | Wisconsin |
| 56 | Patrick Carroll | 9 | son | — | Wisconsin |
| 57 | John Carroll | 7 | son | — | Wisconsin |
| 58 | Philip Carroll | 5 | son | — | Wisconsin |
| 59 | Barbara Carroll | 3 | daughter | — | Wisconsin |
| 60 | Caroline Carroll | 2 | daughter | — | Wisconsin |
| 61 | Henry Besch | 42 | Head | Wpa Museum Project | Wisconsin |
| 62 | Ellen Besch | 32 | Wife | — | Wisconsin |
| 63 | Roy Besch | 15 | son | — | Wisconsin |
| 64 | Lorraine Besch | 11 | daughter | — | Wisconsin |
| 65 | Henry Jr. Besch | 4 | son | — | Wisconsin |
| 66 | Henry Erdmann | 63 | Head | City Ash Removal | Wisconsin |
| 67 | Hattie Erdmann | 62 | Wife | — | Germany |
| 68 | Max Beach | 42 | Lodger | Chemical Corp. | Wisconsin |
| 69 | Charles Cockrell | 53 | Head | Volunteer Workers Of A | Indiana |
| 70 | Ina Cockrell | 34 | Wife | — | Illinois |
| 71 | Paul Cockrell | 8 | son | — | Wisconsin |
| 72 | Roy Cockrell | 4 | son | — | Illinois |
| 73 | Clarence Killa | 39 | Head | Trucking Co | Wisconsin |
| 74 | Laverne Killa | 33 | Wife | — | Wisconsin |
| 75 | James Killa | 13 | son | — | Wisconsin |
| 76 | Rosemary Killa | 6 | daughter | — | Wisconsin |
| 77 | Carol Joyce Killa | 4 | daughter | — | Wisconsin |
| 78 | Robert Anthony Killa | 2 | son | — | Wisconsin |
| 79 | Sam Warner | 56 | Roomer | Lumber Co. | Germany |
| 80 | Boyd Watkins | 25 | Head | Hides & Tallow Co. | Minnesota |
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)