MD
Mary Delaney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Mary Delaney across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Richard — first a daughter (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Delaney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | New Canada Twp |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Sales lady |
| Industry | Department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 248 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Salesperson |
| Township / Ward | New Canada Twp |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Delaney | Daughter | — | 21 | ~1919 |
| Richard Delaney | Head | — | 57 | ~1883 |
| Richard Delaney | Son | — | 25 | ~1915 |
| Kathleen Delaney | Daughter | — | 23 | ~1917 |
| James Delaney | Son | — | 30 | ~1910 |
Census Appearances
1920
Ramsey, Minnesota
Spouse, age
Ramsey, Minnesota · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Daughter, age 11
Ramsey, Minnesota · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Delaney |
| Given Name | Mary M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 21
Ramsey-County, Minnesota · implied b. ~1919 — 5 household members
| Surname | Delaney |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | New Canada Twp |
| 1935 Residence (County) | Ramsey |
| Occupation | Sales lady |
| Industry | Department store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 248 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| 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 Delaney across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Richard Delaney (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Richard Delaney
b. ~1883
Source father
● Household
· direct · ~0.92
This person
Anchor record
Mary Delaney
Daughter · 1940 · age 21 · b. ~1919 · Minnesota
★ You are viewing this record
Sibling
James Delaney
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Kathleen Delaney
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Delaney
Sibling · 1940 · age 25
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 — 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-t0627-01950-00634)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John E Murphy | 52 | Head | Foreman | Minnesota |
| 2 | Cecilia Murphy | 49 | Wife | Housework | Minnesota |
| 3 | Cecilia A Murphy | 12 | Daughter | Housework | Minnesota |
| 4 | Catherine Murphy | 11 | Daughter | — | Minnesota |
| 5 | Donald Murphy | 5 | Son | — | Minnesota |
| 6 | Richard Delaney | 57 | Head | Plumber | Ireland |
| 7 | James T Delaney | 30 | Son | Plumber | Minnesota |
| 8 | Richard J Delaney | 25 | Son | Plumber | Minnesota |
| 9 | Kathleen Delaney | 23 | Daughter | Music Teacher | Minnesota |
| 10 | Mary Delaney THIS PERSON | 21 | Daughter | Sales Lady | Minnesota |
| 11 | Edith Tondel | 46 | Head | — | Minnesota |
| 12 | Gold Ruth Tondel | 17 | Daughter | — | Minnesota |
| 13 | Gloria Tondel | 11 | Daughter | — | Minnesota |
| 14 | Henry C Spicer | 50 | Head | Farmer | Minnesota |
| 15 | Elizabeth Spicer | 48 | Wife | — | Minnesota |
| 16 | Roy Hoge | 39 | Head | Well Driller | Wisconsin |
| 17 | Margaret Hoge | 39 | Wife | — | Minnesota |
| 18 | Harry Zuercher | 20 | Head | Farmer | Minnesota |
| 19 | Henry Staluby | 57 | Head | Salesman | Minnesota |
| 20 | Alma Staluby | 56 | Wife | — | Minnesota |
| 21 | Muriel Staluby | 15 | Daughter | — | Minnesota |
| 22 | Corine Staluby | 11 | Daughter | — | Minnesota |
| 23 | Arletta Staluby | 9 | Daughter | — | Minnesota |
| 24 | William Staluby | 7 | Son | — | Minnesota |
| 25 | Cloann Staluby | 3 | Daughter | — | Minnesota |
| 26 | Rose Marie Staluby | 74 | Head | — | Germany |
| 27 | Arthur A Staluby | 34 | Son | Mechanic | Minnesota |
| 28 | Margaret Staluby | 17 | Daughter-in-law | — | Wisconsin |
| 29 | Harriet Staluby | 5 | Granddaughter | — | Minnesota |
| 30 | Arthur A Staluby | 5 | Grandson | — | Minnesota |
| 31 | Paul Stanke | 52 | Head | Farmer | Minnesota |
| 32 | Rosa Stanke | 55 | Wife | — | Iowa |
| 33 | Elmer Stanke | 26 | Son | Farmer | Minnesota |
| 34 | George Negli | 49 | Head | Crane Operator | Italy |
| 35 | Isabel Negli | 37 | Wife | — | Italy |
| 36 | Carolina Negli | 16 | Daughter | — | Minnesota |
| 37 | Libo Negli | 14 | Son | — | Minnesota |
| 38 | Julia Negli | 13 | Daughter | — | Minnesota |
| 39 | Eleanor Negli | 11 | Daughter | — | Minnesota |
| 40 | Phillip Mcdormey | 47 | Head | Engineer | Minnesota |
Pedigree Summary
Mary + 3 siblings
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)