MF
Mary Flynn — 1940 US Census Record
Model Tree available1940 United States Federal Census · Dakota-County, Minnesota
Our Model Tree links this Mary Flynn across the 1920, 1930 and 1940 US Censuses in Dakota-County, Minnesota (XGBoost, ~Confirmed), with identified parents Mary & Mary — first a daughter (b.~1918), then head of a 5-person household.
Age 22
b. ~1918
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dakota-County, Minnesota |
| Surname | Flynn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | So St Paul |
| 1935 Residence (County) | Dakota |
| Additional Details | |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 840 |
| Highest Grade | H-4 |
| 1935 Residence | Same house |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Clerk |
| Township / Ward | So St Paul |
| Est. Birth Year | ~1918 |
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 Flynn | Daughter | — | 22 | ~1918 |
| Louis Flynn | Head | — | 44 | ~1896 |
| Robert Flynn | Son | — | 17 | ~1923 |
| Louis Flynn | Son | — | 20 | ~1920 |
| Marian Flynn | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Dakota, Minnesota
Daughter, age 2
Dakota, Minnesota · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Speaks English | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Dakota, Minnesota
Daughter, age 12
Dakota, Minnesota · implied b. ~1918 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Flynn |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Dakota-County, Minnesota
Daughter, age 22
Dakota-County, Minnesota · implied b. ~1918 — 5 household members
| Surname | Flynn |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | So St Paul |
| 1935 Residence (County) | Dakota |
| Occupation | Clerk |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 39 |
| Income (1939) | 840 |
| 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 Flynn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Mary Flynn (~0.92 confidence) and mother Mary Flynn (~0.92 confidence) and father James Flynn (~0.92 confidence) and father Louis Flynn (~0.92 confidence) and mother Marian Flynn (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Mary Flynn
b. ~1894
Source mother
● Household
· direct · ~0.92
Mother
Mary Flynn
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
James Flynn
b. ~1896
Source father
● Household
· direct · ~0.92
Father
Louis Flynn
b. ~1896
Source father
● Household
· direct · ~0.92
Mother
Marian Flynn
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Flynn
Daughter · 1940 · age 22 · b. ~1918 · Minnesota
★ You are viewing this record
Sibling
Louis Flynn
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Flynn
Sibling · 1940 · age 17
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 — Dakota-County, Minnesota
Open full size
1940 US Federal Census — Dakota-County, Minnesota
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01918-00041)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Casper Koch | 66 | Head | — | Minnesota |
| 42 | Frances Koch | 66 | Wife | — | Germany |
| 44 | George Vogeltanz | 36 | Head | Meat Smoker | Austria |
| 45 | Helen Vogeltanz | 37 | Wife | Seamstress | New York |
| 46 | Robert Capp | 39 | Head | Shipping Clerk | Minnesota |
| 47 | Dorothy Capp | 33 | Wife | — | Minnesota |
| 48 | Shirley Capp | 5 | Daughter | — | Minnesota |
| 49 | Oscar Carlson | 40 | Head | Cattle Buyer | Minnesota |
| 50 | Nora Carlson | 40 | Wife | — | Wisconsin |
| 51 | Lorraine Carlson | 18 | Daughter | — | Minnesota |
| 52 | Eleanor Carlson | 16 | Daughter | — | Minnesota |
| 54 | Emit S. Shern | 42 | Head | Livestock Inspector | Wisconsin |
| 55 | Ethel F. Shern | 43 | Wife | — | Wisconsin |
| 56 | Daniel R. Shern | 13 | Son | — | Minnesota |
| 57 | Nancy E. Shern | 9 | Daughter | — | Minnesota |
| 58 | Kavakoski | None | Head | Checker | — |
| 59 | Kavakoski | None | Wife | — | — |
| 60 | Charles Kavakoski | 4 | Son | — | Minnesota |
| 61 | Charlotte Kavakoski | 2 | Daughter | — | Minnesota |
| 62 | Alvin J. Jaeger | 36 | Head | Livestock Salesman | Minnesota |
| 63 | Marie E. Jaeger | 31 | Wife | — | Minnesota |
| 64 | Karen R. Jaeger | 1 | Daughter | — | Minnesota |
| 65 | Helen Nelson | 20 | Cousin | Typist | Minnesota |
| 66 | John B. Nelson | 45 | Head | Police Chief | Minnesota |
| 67 | Sophia Nelson | 42 | Wife | — | Minnesota |
| 68 | Clarence Michelson | 49 | Head | Livestock Salesman | Minnesota |
| 69 | Emma Michelson | 42 | Wife | — | Denmark |
| 70 | Clarence Michelson | 22 | Son | General Office | Minnesota |
| 71 | Harley Michelson | 15 | Son | Newsboy | Minnesota |
| 72 | Leonard Michelson | 15 | Son | Newsboy | Minnesota |
| 73 | Alice Michelson | 13 | Daughter | — | Minnesota |
| 74 | Louis Flynn | 44 | Head | Solicitor | Minnesota |
| 75 | Marian Flynn | 44 | Wife | — | Minnesota |
| 76 | Mary Flynn THIS PERSON | 22 | Daughter | Clerk | Minnesota |
| 77 | Louis Flynn | 20 | Son | Watchman | Minnesota |
| 78 | Robert Flynn | 17 | Son | — | Minnesota |
| 79 | Thomas Seeward | 35 | Head | Automobile Mechanic | Minnesota |
| 80 | Mildred Seeward | 31 | Wife | — | Minnesota |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 5 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)