MC
Margaret Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this Margaret Campbell across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1922), then head of a 11-person household.
Age 18
b. ~1922
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Campbell |
| Given Name | Margaret I |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Mt Morris township |
| 1935 Residence (County) | Genesee |
| Additional Details | |
| Hours Worked | 5 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Mt Morris Township |
| Est. Birth Year | ~1922 |
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 |
|---|---|---|---|---|
| Margaret Campbell | Daughter | — | 18 | ~1922 |
| Grace Campbell | Daughter | — | 11 | ~1929 |
| Lucille Campbell | Daughter | — | 17 | ~1923 |
| Jennet Campbell | Daughter | — | 7 | ~1933 |
| John Campbell | Head | — | 52 | ~1888 |
| Lloyd Campbell | Son | — | 26 | ~1914 |
| Ted Campbell | Son | — | 9 | ~1931 |
| Max Campbell | Son | — | 21 | ~1919 |
| Dale Campbell | Son | — | 13 | ~1927 |
| Paul Campbell | Son | — | 2 | ~1938 |
| Leah Campbell | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Genesee, Michigan
Daughter, age 6
Genesee, Michigan · implied b. ~1924 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Margaret A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Genesee-County, Michigan
Daughter, age 18
Genesee-County, Michigan · implied b. ~1922 — 11 household members
| Surname | Campbell |
| Given Name | Margaret I |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Mt Morris township |
| 1935 Residence (County) | Genesee |
| Hours Worked | 5 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Margaret Campbell
Daughter · 1940 · age 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Lucille Campbell
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Max Campbell
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lloyd Campbell
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Campbell
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Paul Campbell
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ted Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jennet Campbell
Sibling · 1940 · age 7
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01750-00701)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William E Roof | 27 | Head | Lineman | Kentucky |
| 2 | Calvin White | 38 | Head | Machine Hand | Michigan |
| 3 | Anna J White | 38 | Wife | — | Canada-English |
| 4 | Clarice A White | 13 | Daughter | — | Michigan |
| 5 | Jessie M White | 12 | Daughter | — | Michigan |
| 6 | Arlan C White | 11 | Son | — | Michigan |
| 7 | Pauline M White | 9 | Daughter | — | Michigan |
| 8 | Joyce H White | 7 | Daughter | — | Michigan |
| 9 | Donna M White | 5 | Daughter | — | Michigan |
| 10 | Ilene M White | 4 | Daughter | — | Michigan |
| 11 | Wanda L White | 2 | Daughter | — | Michigan |
| 12 | Royal E Merrill | 51 | Head | Farmer | Michigan |
| 13 | Clarinda Merrill | 58 | Wife | — | Canada-English |
| 14 | Valna L Merrill | 15 | Daughter | — | Michigan |
| 15 | Martin E Potter | 35 | Head | Lineman | Illinois |
| 16 | Agnes J Potter | 29 | Wife | — | Michigan |
| 17 | Earl G Potter | 9 | Son | — | Michigan |
| 18 | Russell L Potter | 2 | Son | — | Michigan |
| 19 | John J Schultz | 62 | Head | Repair Man | New York |
| 20 | Carl J Puter|Pater | 53 | Head | Lineman | Michigan |
| 21 | Edna J Puter|Pater | 47 | Wife | — | Michigan |
| 22 | John W Campbell | 52 | Head | Spring Hanger | Canada-English |
| 23 | Leah E Campbell | 48 | Wife | — | Ohio |
| 24 | Lloyd H Campbell | 26 | Son | Ditch Digger | Michigan |
| 25 | Max R Campbell | 21 | Son | Truck Driver | Michigan |
| 26 | Margaret I Campbell THIS PERSON | 18 | Daughter | — | Michigan |
| 27 | Lucille M Campbell | 17 | Daughter | — | Michigan |
| 28 | Dale L Campbell | 13 | Son | — | Michigan |
| 29 | Grace L Campbell | 11 | Daughter | — | Michigan |
| 30 | Ted E Campbell | 9 | Son | — | Michigan |
| 31 | Jennet M Campbell | 7 | Daughter | — | Michigan |
| 32 | Paul D Campbell | 2 | Son | — | Michigan |
| 33 | Hugh D Weaver | 37 | Head | Tool Maker | Michigan |
| 34 | Lillian B Weaver | 40 | Wife | — | Michigan |
| 35 | Hugh A Weaver | 13 | Son | — | Michigan |
| 36 | Norma Jean Weaver | 11 | Daughter | — | Michigan |
| 37 | Lewis P Johnson | 33 | Head | Machine Operator | Arkansas |
| 38 | Analee M Johnson | 33 | Wife | — | Michigan |
| 39 | Darane M Johnson | 12 | Son | — | Michigan |
| 40 | Joyce L Johnson | 9 | Daughter | — | Michigan |
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)