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Mary Byrne — 1940 US Census Record
Model Tree available1940 United States Federal Census · Calhoun-County, Michigan
Our Model Tree links this Mary Byrne across the 1920, 1930 and 1940 US Censuses in Calhoun-County, Michigan (XGBoost, ~Confirmed), with identified parents Edward — first a daughter (b.~1907), then head of a 4-person household.
Age 33
b. ~1907
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Calhoun-County, Michigan |
| Surname | Byrne |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Battle Creek City |
| 1935 Residence (County) | Calhoun |
| Additional Details | |
| Occupation | beautician |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 500 |
| Highest Grade | H-2 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Beautician |
| Township / Ward | Battle Creek City |
| Est. Birth Year | ~1907 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Byrne | Daughter | — | 33 | ~1907 |
| Edward Byrne | Head | — | 78 | ~1862 |
| Anna Mount | Other | — | 71 | ~1869 |
| John Byrne | Son | — | 31 | ~1909 |
Census Appearances
1920
Calhoun, Michigan
Daughter, age 13
Calhoun, Michigan · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Mary E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Calhoun, Michigan
Daughter, age 23
Calhoun, Michigan · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | New York |
| Occupation | Manager |
| Industry | Beauty Shop |
| Class of Worker | 8096 |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Calhoun-County, Michigan
Daughter, age 33
Calhoun-County, Michigan · implied b. ~1907 — 4 household members
| Surname | Byrne |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Battle Creek City |
| 1935 Residence (County) | Calhoun |
| Occupation | beautician |
| Industry | Beauty Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 500 |
| Highest Grade | H-2 |
| 1935 Residence | Michigan |
| 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 Byrne across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Byrne (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Byrne
b. ~1865
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Byrne
Daughter · 1940 · age 33 · b. ~1907 · Michigan
★ You are viewing this record
Sibling
John Byrne
Sibling · 1940 · age 31
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 — Calhoun-County, Michigan
Open full size
1940 US Federal Census — Calhoun-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01735-00807)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert Burroughs | 24 | Head | Wire Work | Michigan |
| 2 | Ella F. Burroughs | 24 | Wife | None | Michigan |
| 3 | Joyce Ann Burroughs | 4 | Daughter | — | Michigan |
| 4 | Mary Lou Burroughs | 1 | Daughter | — | Michigan |
| 5 | Edward J. Byrne | 78 | Head | Farming | Michigan |
| 6 | Mary Ellen Byrne THIS PERSON | 33 | Daughter | Beautician | Michigan |
| 7 | John D. Byrne | 31 | Son | Machinist | Michigan |
| 8 | Anna Mount | 71 | Sister in law | Housework | New York |
| 9 | William J. De Graw | 42 | Head | Machinist | Michigan |
| 10 | Mary C. De Graw | 40 | Wife | Packing | Michigan |
| 11 | Lyle De Graw | 20 | Son | Watcher | Michigan |
| 12 | Norine De Graw | 16 | Daughter | — | Michigan |
| 13 | Helen Ross | 38 | Sister in law | Hair Dresser | Michigan |
| 14 | Jay B. Foster | 67 | Head | Own Farm | Canada |
| 15 | Eliza Foster | 64 | Wife | — | Michigan |
| 16 | Jay W. Ridgley | 21 | Lodger | Machinist | Michigan |
| 17 | Elizabeth Ridgley | 21 | Lodger | Factory | Michigan |
| 18 | Victor H. Bulot | 60 | Head | Tool Keeper | France |
| 19 | Victoria Bulot | 53 | Wife | — | France |
| 20 | Frank B. Parke | 66 | Head | — | Michigan |
| 21 | Alta M. Parke | 63 | Wife | — | Wisconsin |
| 22 | Elmer C. Gieske | 26 | Head | Clerk | Ohio |
| 23 | Velda L. Gieske | 23 | Wife | Cashier | Michigan |
| 24 | Clarence Burgdufer | 63 | Head | Entertainer | Michigan |
| 25 | Mabel F. Burgdufer | 64 | Wife | — | Michigan |
| 26 | William F. Husted | 26 | Head | City Fireman | Michigan |
| 27 | Mabel B. Husted | 21 | Wife | Typing | Michigan |
| 28 | Harrison P. Howee | 37 | Head | Steamfitter | Michigan |
| 29 | Nannie B. Howee | 37 | Wife | — | Michigan |
| 30 | David Howee | 9 | Son | — | Michigan |
| 31 | Susan Howee | 4 | Daughter | — | Michigan |
| 32 | Melville V. Brown | 82 | Head | — | Ohio |
| 33 | Lydia L. Barker | 47 | Daughter | Housework | Tennessee |
| 34 | Clirk Barker | 11 | Grandson | — | Michigan |
| 35 | Don Merel Barker | 20 | Grandson | Machinist Laborer | Ohio |
| 36 | Ruby Barker | 10 | Granddaughter | — | Michigan |
| 37 | Barbara Barker | 6 | Daughter | — | Michigan |
| 38 | Frances Anderson | 72 | Head | — | Michigan |
| 39 | Carl R. Stark | 34 | Head | Assembler | Michigan |
| 40 | Thelma M. Stark | 25 | Wife | Factory Worker | Michigan |
Pedigree Summary
Mary + 1 sibling
Gen 1 · 1 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)