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Mary Byrne — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Mary Byrne across the 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Byrne |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | ST. PAUL CITY |
| 1935 Residence (County) | RAMSEY |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Byrne | Daughter | — | 17 | ~1923 |
| Genevieve Byrne | Daughter | — | 9 | ~1931 |
| William Byrne | Head | — | 61 | ~1879 |
| William Byrne | Son | — | 15 | ~1925 |
| Raymond Byrne | Son | — | 13 | ~1927 |
| James Byrne | Son | — | 11 | ~1929 |
| Anna Byrne | Spouse | — | 49 | ~1891 |
Census Appearances
1930
Ramsey, Minnesota
Daughter, age 7
Ramsey, Minnesota · implied b. ~1923 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrne |
| Given Name | Mary Alice |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | New York |
| Mother's Birthplace | Irish Free State |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Daughter, age 17
Ramsey-County, Minnesota · implied b. ~1923 — 7 household members
| Surname | Byrne |
| Given Name | Mary A |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | ST. PAUL CITY |
| 1935 Residence (County) | RAMSEY |
| 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 Byrne across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Byrne
Daughter · 1940 · age 17 · b. ~1923 · Minnesota
★ You are viewing this record
Sibling
Genevieve Byrne
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Byrne
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Byrne
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Byrne
Sibling · 1940 · age 13
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-t0627-02003-00050)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen I Danielson | 33 | Daughter | Typist | Minnesota |
| 2 | Margaret K Danielson | 30 | Daughter | Bookkeeper | Minnesota |
| 3 | Ann Johnson | 36 | Lodger | Stenographer | Minnesota |
| 4 | Gustav E Carlson | 36 | Brother | Machinist | Sweden |
| 5 | Milton R Mcchesney | 54 | Head | Department Head | Iowa |
| 6 | Ingri Mcchesney | 53 | Wife | — | Sweden |
| 7 | Charlotte Mcchesney | 24 | Daughter | Secretary | Minnesota |
| 8 | Mary Lou Mcchesney | 13 | Daughter | — | Minnesota |
| 9 | Christian H Brusted | 72 | Head | — | Norway |
| 10 | Elise Brusted | 71 | Wife | — | Switzerland |
| 11 | Earl E Brusted | 36 | Son | Draftsman | Minnesota |
| 12 | Donald S Mcaulay | 32 | Head | Shop Foreman | Minnesota |
| 13 | Virginia H Mcaulay | 31 | Wife | Stenographer | Minnesota |
| 14 | William E Bourhith | 45 | Head | Baggageman | Minnesota |
| 15 | Alma Bourhith | 47 | Wife | — | Minnesota |
| 16 | Mae E Depew | 66 | Head | — | Minnesota |
| 17 | Edward F Reps | 47 | Head | Proprietor | Minnesota |
| 18 | Jessie Reps | 43 | Wife | Dressmaker | Wisconsin |
| 19 | Shirley Reps | 19 | Daughter | Saleswoman | Minnesota |
| 20 | Elwin Reps | 17 | Son | — | Minnesota |
| 21 | Janet Reps | 14 | Daughter | — | Minnesota |
| 22 | Jean Reps | 5 | Daughter | — | Minnesota |
| 23 | Elmer Lien | 32 | Head | Collector | Minnesota |
| 24 | Elsie B Lien | 36 | Wife | Bookkeeper | Minnesota |
| 25 | William M Byrne | 61 | Head | Forester | New York |
| 26 | Anna Byrne | 49 | Wife | — | Ireland |
| 27 | Mary A Byrne THIS PERSON | 17 | Daughter | — | Minnesota |
| 28 | William J Byrne | 15 | Son | Paper Route | Minnesota |
| 29 | Raymond S Byrne | 13 | Son | — | Minnesota |
| 30 | James F Byrne | 11 | Son | — | Minnesota |
| 31 | Genevieve M Byrne | 9 | Daughter | — | Minnesota |
| 32 | Henry L Wilking | 52 | Head | Radio Service | Wisconsin |
| 33 | Anna Wilking | 50 | Wife | — | Minnesota |
| 34 | Eulalia Wilking | 19 | Daughter | Saleswoman | Minnesota |
| 35 | Elvera Wilking | 14 | Daughter | Maid | Minnesota |
| 36 | Orville Wilking | 17 | Son | — | Minnesota |
| 37 | Reuben R Olson | 34 | Head | Glass Cutter | Minnesota |
| 38 | Lillian Olson | 32 | Wife | Stenographer | Illinois |
| 39 | Violette Peterson | 20 | Niece | Maid | Minnesota |
| 40 | Andrew Buska | 55 | Head | Dry Salter | Poland |
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)