MD
Mary Donovan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Mary Donovan across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents James & Jane — first a daughter (b.~1917), then head of a 3-person household.
Age 23
b. ~1917
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Donovan |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | RAMSEY |
| Additional Details | |
| Occupation | Ediphone Operator |
| Industry | City Bank |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 968 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Ediphone Operator |
| Township / Ward | St Paul 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Donovan | Daughter | — | 23 | ~1917 |
| James Donovan | Head | — | 60 | ~1880 |
| Jane Donovan | Spouse | — | 56 | ~1884 |
Census Appearances
1920
Ramsey, Minnesota
Daughter, age 3
Ramsey, Minnesota · implied b. ~1917 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Daughter, age 13
Ramsey, Minnesota · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Donovan |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 23
Ramsey-County, Minnesota · implied b. ~1917 — 3 household members
| Surname | Donovan |
| Given Name | Mary K. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | RAMSEY |
| Occupation | Ediphone Operator |
| Industry | City Bank |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 968 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Donovan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Donovan (~0.92 confidence) and mother Jane Donovan (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Donovan
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Jane Donovan
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Donovan
Daughter · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01994-00683)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward A. Johnson | 32 | Head | Machinist | Pennsylvania |
| 2 | Clara M. Johnson | 30 | Wife | — | Minnesota |
| 3 | Donald E. Johnson | 3 | Son | — | Minnesota |
| 4 | Joseph J. Johnson | 2 | Son | — | Minnesota |
| 5 | Edward C. Johnson | 1 | Son | — | Minnesota |
| 6 | James R. Donovan | 60 | Head | Stockman | Iowa |
| 7 | Jane A. Donovan | 56 | Wife | — | Iowa |
| 8 | Mary K. Donovan THIS PERSON | 23 | Daughter | Ediphone Operator | Minnesota |
| 9 | Henry De Bruzzi | 26 | Head | Metal Polisher | Wisconsin |
| 10 | Mae M. De Bruzzi | 28 | Wife | — | Wisconsin |
| 11 | Marie A. De Bruzzi | 10 | Daughter | — | Wisconsin |
| 12 | Betty C. De Bruzzi | 5 | Daughter | — | Minnesota |
| 13 | James J. Appleton | 28 | Head | Selling | Minnesota |
| 14 | Viola M. Appleton | 29 | Wife | — | Minnesota |
| 15 | Constance V. Appleton | 5 | Daughter | — | Minnesota |
| 16 | Stephen Kava | 22 | Head | Molder | Nebraska |
| 17 | Bernice Kava | 21 | Wife | — | Minnesota |
| 18 | Frank M. Carey | 37 | Head | Selling | Wisconsin |
| 19 | Viola A. Carey | 36 | Wife | Clerk Cosmetics | Wisconsin |
| 20 | Minnie J. Burk | 59 | Mother | Practical Nurse | Minnesota |
| 21 | Adolph A. Ryan | 32 | Head | Machine Operator | North Dakota |
| 22 | Laura M. Ryan | 27 | Wife | Mangle Feeder | Minnesota |
| 23 | David A. Ryan | 1 | Son | — | Minnesota |
| 24 | Doris Bradbury | 37 | Head | Drug Clerk | Wisconsin |
| 25 | Edward Halper | 32 | Lodger | Cloth Cutter | Germany |
| 26 | William M. Tobiason | 45 | Head | Metal Worker | Minnesota |
| 27 | Alice M. Tobiason | 37 | Wife | — | Minnesota |
| 28 | Marcella M. Tobiason | 12 | Daughter | — | Minnesota |
| 29 | Anna Horn | 68 | Mother-in-law | — | Minnesota |
| 30 | Alfred Tinucci | 29 | Head | Bottler | Minnesota |
| 31 | Grace Tinucci | 26 | Wife | — | Minnesota |
| 32 | L. Clemens Brennan | 24 | Head | Tile Setter | Minnesota |
| 33 | Maxine G. Brennan | 20 | Wife | — | Minnesota |
| 34 | Lawrence P. Brennan | 1 | Son | — | Minnesota |
| 35 | Ernest R. Hawkinson | 56 | Head | Callman | Sweden |
| 36 | Marie G. Hawkinson | 37 | Wife | — | Sweden |
| 37 | Robert E. Hawkinson | 18 | Son | — | Minnesota |
| 38 | George E. Hawkinson | 16 | Son | — | Minnesota |
| 39 | Hjalmar P. Hawkinson | 61 | Brother | Painter | Sweden |
| 40 | Carl A. Johnson | 82 | Head | Laborer | Sweden |
Related Census Records
Pedigree Summary
Mary
Gen 1 · 2 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)