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Barbara Brown — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mackinac-County, Michigan
Our Model Tree links this Barbara Brown across the 1930 and 1940 US Censuses in Mackinac-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 8-person household.
Age 17
b. ~1923
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mackinac-County, Michigan |
| Surname | Brown |
| Given Name | Barbara J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St Ignace |
| 1935 Residence (County) | Mackinac |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Mich |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | St Ignace City |
| Est. Birth Year | ~1923 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Barbara | Age | Birth yr |
|---|---|---|---|---|
| Patrick Brown | Daughter | — | 15 | ~1925 |
| Ruth Brown | Daughter | — | 21 | ~1919 |
| Barbara Brown | Daughter | — | 17 | ~1923 |
| Frederick Blount | Head | — | 50 | ~1890 |
| James Brown | Son | — | 18 | ~1922 |
| Reuben Brown | Son | — | 14 | ~1926 |
| Paul Brown | Son | — | 5 | ~1935 |
| Marion Blount | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Mackinac, Michigan
Daughter, age 7
Mackinac, Michigan · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Brown |
| Given Name | Barbara |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Mackinac-County, Michigan
Daughter, age 17
Mackinac-County, Michigan · implied b. ~1923 — 8 household members
| Surname | Brown |
| Given Name | Barbara J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | St Ignace |
| 1935 Residence (County) | Mackinac |
| Highest Grade | Hs 4 |
| 1935 Residence | Mich |
| 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 Barbara Brown across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Barbara Brown
Daughter · 1940 · age 17 · b. ~1923 · Michigan
★ You are viewing this record
Sibling
Paul Brown
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Brown
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Patrick Brown
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Brown
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reuben Brown
Sibling · 1940 · age 14
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 — Mackinac-County, Michigan
Open full size
1940 US Federal Census — Mackinac-County, Michigan
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-01781-00447)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E. Hubbell | 2 | Son | — | Michigan |
| 2 | Joyce Place | 27 | Daughter | — | Michigan |
| 3 | John J. Harris | 27 | Head | Marine Engineer | Chicago Ill |
| 4 | Elmer Bustoff | 36 | Head | Area Supervisor | Brevort Mich |
| 5 | Robert D. Robinson | 44 | Head | — | Michigan |
| 6 | Harriet Anne Mulcrone | 34 | Head | — | Michigan |
| 7 | Jane Francis Byrne | 25 | Niece | — | Illinois |
| 8 | Frederick Blount | 50 | Head | Lawyer | Michigan |
| 9 | Marion H. Blount | 47 | Wife | Housewife | Michigan |
| 10 | Ruth M. Brown | 21 | Daughter | — | Michigan |
| 11 | James J. Brown | 18 | Son | — | Michigan |
| 12 | Barbara J. Brown THIS PERSON | 17 | Daughter | — | Michigan |
| 13 | Patrick J. Brown | 15 | Daughter | — | Michigan |
| 14 | Reuben Jr. Brown | 14 | Son | — | Michigan |
| 15 | Paul H. Brown | 5 | Son | — | Dist of Col |
| 16 | Clinton D. Mahoney | 30 | Head | Trucking | Michigan |
| 17 | Hilliard E. Smith | 46 | Head | Area Engineer | Michigan |
| 18 | John Gunnar Carlson | 24 | Head | Seaman | Michigan |
| 19 | John K. Lasky | 29 | Head | Marine | Ohio |
| 20 | Lloyd Brown | 22 | Head | Sailor | Michigan |
| 21 | Martin Julius Michalson | 37 | Head | Fishing | Wisconsin |
| 22 | Einar Birg Michalson | 46 | Head | Fishing | Wisconsin |
| 23 | Aloysius Michael Mackie | 28 | Head | Sailor | Michigan |
| 24 | Charles Henry Ingelsonger | 34 | Head | Fireman | Wisconsin |
Related Census Records
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)