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Mary Mcfarland — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bay-County, Michigan
Our Model Tree links this Mary Mcfarland across the 1930 and 1940 US Censuses in Bay-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 12-person household.
Age 11
b. ~1929
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bay-County, Michigan |
| Surname | McFarland |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Bay City |
| Est. Birth Year | ~1929 |
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.
12 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Elaine Mcfarland | Daughter | — | 17 | ~1923 |
| Elmer Mcfarland | Son | — | 21 | ~1919 |
| Theresa Mcfarland | Daughter | — | 14 | ~1926 |
| Kenneth Mcfarland | Son | — | 14 | ~1926 |
| Illina Mcfarland | Spouse | — | 51 | ~1889 |
| Walter Mcfarland | Son | — | 9 | ~1931 |
| James Mcfarland | Son | — | 19 | ~1921 |
| Edgar Mcfarland | Head | — | 54 | ~1886 |
| Gertrude Mcfarland | Daughter | — | 22 | ~1918 |
| Joseph Mcfarland | Son | — | 26 | ~1914 |
| Mary Mcfarland | Daughter | — | 11 | ~1929 |
| George Mcfarland | Son | — | 24 | ~1916 |
Census Appearances
1930
Bay, Michigan
Daughter, age 1
Bay, Michigan · implied b. ~1929 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McFarland |
| Given Name | Mary L |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Bay-County, Michigan
Daughter, age 11
Bay-County, Michigan · implied b. ~1929 — 12 household members
| Surname | McFarland |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Bay City |
| 1935 Residence (County) | Bay |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 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 Mary Mcfarland across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcfarland
Daughter · 1940 · age 11 · b. ~1929 · Michigan
★ You are viewing this record
Sibling
Theresa Mcfarland
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elaine Mcfarland
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mcfarland
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Mcfarland
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Mcfarland
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Mcfarland
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kenneth Mcfarland
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Walter Mcfarland
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Elmer Mcfarland
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 — Bay-County, Michigan
Open full size
1940 US Federal Census — Bay-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01728-00762)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Maud Bassett | 58 | Head | — | Michigan |
| 2 | Bernard Bassett | 23 | Son | Clerk | Michigan |
| 3 | Wanda Bassett | 19 | Daughter | Waitress | Michigan |
| 4 | Joseph La Londe | 61 | Head | Service | Canada |
| 5 | Rosanna La Londe | 54 | Wife | — | Canada |
| 6 | Frederick La Londe | 17 | Son | — | Michigan |
| 7 | Emery Alarie | 74 | Head | — | Canada |
| 8 | Alzina Alarie | 34 | Daughter | Reg. Nurse | Michigan |
| 9 | John Vaillancourt | 53 | Head | Wrecker Driver | Michigan |
| 10 | Hilda Vaillancourt | 39 | Wife | — | Virginia |
| 11 | Mildred Vaillancourt | 19 | Daughter | Counter Girl | Michigan |
| 12 | Virginia Vaillancourt | 17 | Daughter | — | Michigan |
| 13 | Dorothy Vaillancourt | 13 | Daughter | — | Michigan |
| 14 | Charles Gregoire | 61 | Head | Retail Store | Michigan |
| 15 | Russell Thompson | 30 | Son in law | Lineman | Michigan |
| 16 | Pauline Thompson | 25 | Daughter | — | Michigan |
| 17 | Russell Jr Thompson | 7 | Grandson | — | Michigan |
| 18 | Sally Jean Thompson | 6 | Granddaughter | — | Michigan |
| 19 | Nancy Ann Thompson | 2 | Granddaughter | — | Michigan |
| 20 | Marlene Kay Thompson | 0 | Granddaughter | — | Michigan |
| 21 | Andrew Loughner | 54 | Head | Miner | Penna |
| 22 | Jennie Loughner | 67 | Wife | — | Canada |
| 23 | Edgar Mcfarland | 54 | Head | Machinist | Michigan |
| 24 | Illina Mcfarland | 51 | Wife | — | Michigan |
| 25 | Joseph Mcfarland | 26 | Son | Bartender | Michigan |
| 26 | George Mcfarland | 24 | Son | Bartender | Michigan |
| 27 | Gertrude Mcfarland | 22 | Daughter | Booker | Michigan |
| 28 | Elmer Mcfarland | 21 | Son | Yard Clerk | Michigan |
| 29 | James Mcfarland | 19 | Son | Steel Worker | Michigan |
| 30 | Elaine Mcfarland | 17 | Daughter | — | Michigan |
| 31 | Theresa Mcfarland | 14 | Daughter | — | Michigan |
| 32 | Kenneth Mcfarland | 14 | Son | — | Michigan |
| 33 | Mary Mcfarland THIS PERSON | 11 | Daughter | — | Michigan |
| 34 | Walter Mcfarland | 9 | Son | — | Michigan |
| 35 | Charles Lauria | 30 | Head | Operator | Michigan |
| 36 | Viola Lauria | 33 | Wife | — | Michigan |
| 37 | Shirley Lauria | 9 | Daughter | — | Michigan |
| 38 | James Lauria | 7 | Son | — | Michigan |
| 39 | George Lauria | 4 | Son | — | Michigan |
| 40 | Rose Cornell | 68 | Head | — | Michigan |
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)