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Mary Bird — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cache, Utah
Our Model Tree links this Mary Bird across the 1930 and 1940 US Censuses in Cache, Utah (XGBoost, ~Confirmed) — first a spouse (b.~1880), then head of a 6-person household.
Age 50
b. ~1880
Female
Spouse
Born: Utah
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cache, Utah |
| Surname | Bird |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 22 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Mendon Precinct |
| Est. Birth Year | ~1880 |
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.
6 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Maxwell Bird | Son | — | 16 | ~1914 |
| Mormon Bird | Head | — | 55 | ~1875 |
| Sadie Bird | Daughter | — | 20 | ~1910 |
| Mary Bird | Spouse | — | 50 | ~1880 |
| Alice Bird | Daughter | — | 21 | ~1909 |
| Scott Bird | Son | — | 24 | ~1906 |
Census Appearances
1930
Cache, Utah
Spouse, age 50
Cache, Utah · implied b. ~1880 — 6 household members
| Surname | Bird |
| Given Name | Mary J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 22 |
| Father's Birthplace | Utah |
| Mother's Birthplace | Utah |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Cache-County, Utah
Spouse, age 60
Cache-County, Utah · implied b. ~1880 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | May A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Mendon City |
| 1935 Residence (County) | Cache |
| Income (1939) | 0 |
| Highest Grade | H 8 |
| 1935 Residence | Same House |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Bird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Bird
Spouse · 1930 · age 50 · b. ~1880 · Utah
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cache, Utah
Open full size
1930 US Federal Census — Cache, Utah
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2414unit:0939)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Albert S Thornton | 44 | Head | Farmer | Utah |
| 2 | Ruby H Thornton | 40 | Wife | — | Utah |
| 3 | William B Thornton | 16 | Son | Farm Labor | Utah |
| 4 | Mary E Thornton | 66 | Mother | — | Utah |
| 5 | Albert J Willis | 40 | Head | Farmer | Utah |
| 6 | Ethel H Willis | 40 | Wife | — | Utah |
| 7 | Anna Willis | 9 | Daughter | — | Utah |
| 8 | Marilyn Willis | 7 | Daughter | — | Utah |
| 9 | James Muir | 43 | Head | Section Foreman | Utah |
| 10 | Matilda P Muir | 34 | Wife | — | Utah |
| 11 | Melva Muir | 12 | Daughter | — | Utah |
| 12 | Daniel S Muir | 10 | Son | — | Utah |
| 13 | Betty Muir | 9 | Daughter | — | Utah |
| 14 | Wallace J Muir | 6 | Son | — | Utah |
| 15 | Juliana D Muir | 3 | Daughter | — | Utah |
| 16 | Theo T Muir | 1 | Son | — | Utah |
| 17 | Mormon D Bird | 55 | Head | Farmer | Utah |
| 18 | Mary J Bird THIS PERSON | 50 | Wife | — | Utah |
| 19 | Scott Bird | 24 | Son | Clerk | Utah |
| 20 | Alice C Bird | 21 | Daughter | — | Utah |
| 21 | Sadie Bird | 20 | Daughter | — | Utah |
| 22 | Maxwell W Bird | 16 | Son | — | Utah |
| 23 | James Muir | 47 | Head | Farmer | Utah |
| 24 | Violet Muir | 40 | Wife | — | Utah |
| 25 | Ellis Muir | 17 | Son | Farm Labor | Utah |
| 26 | Alfred York | 39 | Head | Farmer | Utah |
| 27 | Edith York | 40 | Wife | — | Utah |
| 28 | Arlene York | 13 | Daughter | — | Utah |
| 29 | Azma York | 9 | Daughter | — | Utah |
| 30 | Legrande York | 3 | Son | — | Utah |
| 31 | Helen York | 1 | Daughter | — | Utah |
| 32 | Edward Churchill | 12 | Nephew | — | Utah |
| 33 | John D Baker | 55 | Head | Farmer | Utah |
| 34 | Annie N Baker | 48 | Wife | — | Utah |
| 35 | John S Baker | 10 | Son | — | Utah |
| 36 | Minnie Hickman | 70 | Head | Manager | Denmark |
| 37 | Albert R Petersen | 21 | Head | Farmer | Utah |
| 38 | Mildred Petersen | 20 | Wife | — | Utah |
| 39 | — | None | — | — | — |
| 40 | — | None | — | — | — |
| 41 | — | None | — | — | — |
| 42 | — | None | — | — | — |
| 43 | — | None | — | — | — |
| 44 | — | None | — | — | — |
| 45 | — | None | — | — | — |
| 46 | — | None | — | — | — |
| 47 | — | None | — | — | — |
| 48 | — | None | — | — | — |
| 49 | — | None | — | — | — |
| 50 | — | None | — | — | — |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)