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Mary Tobin — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Delta-County, Michigan
Our Model Tree links this Mary Tobin across the 1930 and 1940 US Censuses in Delta-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Female
Daughter
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Delta-County, Michigan |
| Surname | Tobin |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba City |
| 1935 Residence (County) | Delta |
| Additional Details | |
| Occupation | Stenographer |
| Industry | State highway office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 760 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Stenographer |
| Township / Ward | Escanaba City |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Tobin | Daughter | — | 23 | ~1917 |
| Florence Tobin | Daughter | — | 18 | ~1922 |
| Marion Tobin | Head | — | 49 | ~1891 |
| James Tobin | Son | — | 13 | ~1927 |
| Patricia Tobin | Daughter | — | 9 | ~1931 |
| James Fitzharris | Other | — | 30 | ~1910 |
| Helen Tobin | Daughter | — | 22 | ~1918 |
| Edmund Tobin | Son | — | 15 | ~1925 |
Census Appearances
1930
Delta, Michigan
Daughter, age 13
Delta, Michigan · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Tobin |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| 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
Delta-County, Michigan
Daughter, age 23
Delta-County, Michigan · implied b. ~1917 — 8 household members
| Surname | Tobin |
| Given Name | Mary A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Escanaba City |
| 1935 Residence (County) | Delta |
| Occupation | Stenographer |
| Industry | State highway office |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 760 |
| Highest Grade | C 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 Tobin across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Tobin
Daughter · 1940 · age 23 · b. ~1917 · Michigan
★ You are viewing this record
Sibling
Patricia Tobin
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Tobin
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Tobin
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edmund Tobin
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Tobin
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 — Delta-County, Michigan
Open full size
1940 US Federal Census — Delta-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01745-00344)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John Glavin | 13 | Son | — | Michigan |
| 2 | Lillian La Fave | 18 | Maid | Maid | Michigan |
| 3 | Howard Thurber | 57 | Head | Master Mechanic | Iowa |
| 4 | Emma Thurber | 53 | Wife | — | Iowa |
| 5 | John Thurber | 10 | Son | — | Illinois |
| 6 | Fred Leighton | 57 | Head | Woods Superintendent | Maine |
| 7 | Sarah Leighton | 54 | Wife | — | Michigan |
| 8 | David Leighton | 13 | Son | — | Michigan |
| 9 | William Sniper | 44 | Head | Asst Cashier | Michigan |
| 10 | Harriet Sniper | 43 | Wife | — | Illinois |
| 11 | Carol Sniper | 7 | Daughter | — | Michigan |
| 12 | Elizabeth Sniper | 1 | Daughter | — | Michigan |
| 13 | George E. Harvey | 55 | Head | Locomotive Engineer | Michigan |
| 14 | Robella Harvey | 56 | Wife | — | Michigan |
| 15 | George M. Harvey | 26 | Son | Cashier | Michigan |
| 16 | Thomas Harvey | 22 | Son | New Worker | Michigan |
| 17 | Margaret Harvey | 20 | Daughter | New Worker | Michigan |
| 18 | Thomas Murray | 50 | Brother-in-law | Switchman | Michigan |
| 19 | Esther Murray | 63 | Sister-in-law | — | Michigan |
| 20 | Orrin Huggitt | 80 | Head | — | New York |
| 21 | Grace V. Huggitt | 75 | Wife | — | New York |
| 22 | Hilda Mallock | 65 | Lodger | — | Germany |
| 23 | Robert Andrews | 38 | Head | Agent | Ohio |
| 24 | Inez Andrews | 43 | Wife | — | Ohio |
| 25 | Sidney Andrews | 8 | Son | — | Ohio |
| 26 | Edward J. Venette | 49 | Head | Proprietor | Michigan |
| 27 | Clare Venette | 48 | Wife | — | Michigan |
| 28 | Naomi Venette | 26 | Daughter | Teacher | Michigan |
| 29 | Dale Venette | 24 | Son | Mechanic Helper | Michigan |
| 30 | Mary Venette | 15 | Daughter | — | Michigan |
| 31 | Paul Venette | 14 | Son | — | Michigan |
| 32 | Marion Tobin | 49 | Head | — | New York |
| 33 | Mary A. Tobin THIS PERSON | 23 | Daughter | Stenographer | Michigan |
| 34 | Helen Tobin | 22 | Daughter | Operator | Michigan |
| 35 | Florence Tobin | 18 | Daughter | Stenographer | Michigan |
| 36 | Edmund Tobin | 15 | Son | Janitor | Michigan |
| 37 | James Tobin | 13 | Son | — | Michigan |
| 38 | Patricia Tobin | 9 | Daughter | — | Michigan |
| 39 | James R. Fitzharris | 30 | Lodger | Attorney | Michigan |
| 40 | Anna Moran | 70 | Head | — | Illinois |
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)