MH
Mary Holden — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Blaine-County, Montana
Our Model Tree links this Mary Holden across the 1930 and 1940 US Censuses in Blaine-County, Montana (XGBoost, ~Confirmed) — first a daughter (b.~1930), then head of a 6-person household.
Age 10
b. ~1930
Female
Daughter
Born: Montana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Blaine-County, Montana |
| Surname | Holden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 33 |
| 1935 Residence (County) | Blaine |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Township / Ward | School District 33 |
| Est. Birth Year | ~1930 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Holden | Daughter | — | 10 | ~1930 |
| Cecelia Holden | Spouse | — | 31 | ~1909 |
| Charles Holden | Son | — | 9 | ~1931 |
| David Holden | Son | — | 2 | ~1938 |
| Raymond Holden | Head | — | 46 | ~1894 |
| John Holden | Son | — | 7 | ~1933 |
Census Appearances
1930
Blaine, Montana
Daughter, age
Blaine, Montana · implied b. ~1930 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holden |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Minnesota |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Blaine-County, Montana
Daughter, age 10
Blaine-County, Montana · implied b. ~1930 — 6 household members
| Surname | Holden |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Montana |
| 1935 Residence (City) | School District 33 |
| 1935 Residence (County) | Blaine |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Holden across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Holden
Daughter · 1940 · age 10 · b. ~1930 · Montana
★ You are viewing this record
Sibling
John Holden
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Holden
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Holden
Sibling · 1940 · age 2
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 — Blaine-County, Montana
Open full size
1940 US Federal Census — Blaine-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02212-00833)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Carl J Gunderson | 58 | Head | Farmer | Minnesota |
| 42 | Carl O Isachsen | 52 | Head | Farmer | Sweden |
| 43 | Carl O Fidelland | 56 | Head | Farmer | Sweden |
| 44 | Ida Fidelland | 60 | Wife | — | Minnesota |
| 45 | Raymond J Holden | 46 | Head | Farmer | Wisconsin |
| 46 | Cecelia Holden | 31 | Wife | — | Minnesota |
| 47 | Mary Holden THIS PERSON | 10 | Daughter | — | Montana |
| 48 | Charles Holden | 9 | Son | — | Montana |
| 49 | John Holden | 7 | Son | — | Montana |
| 50 | David Holden | 2 | Son | — | Montana |
| 51 | Harry O Tuttle | 32 | Head | Farmer | Illinois |
| 52 | Doris Tuttle | 28 | Wife | — | Illinois |
| 53 | Norma Tuttle | 8 | Daughter | — | Missouri |
| 54 | Nancy Tuttle | 5 | Daughter | — | Montana |
| 55 | Harry Jr Tuttle | 3 | Son | — | Montana |
| 56 | Knute Knutson | 67 | Head | — | Norway |
| 57 | Ida Knutson | 59 | Wife | — | Sweden |
| 58 | Donald Knutson | 16 | Son | — | Montana |
| 59 | Selmer Pluckerud | 46 | Head | Farmer | Minnesota |
| 60 | Clara Pluckerud | 38 | Wife | — | North Dakota |
| 61 | Harry O Wester | 54 | Head | Farmer | Norway |
| 62 | Sarah Wester | 60 | Wife | — | England |
| 63 | Robert H Wester | 18 | Son | Farmer | Montana |
| 64 | Robert G Miller | 4 | Grandson | — | Colorado |
| 65 | Belle D Bergh | 61 | Head | Farmer | North Dakota |
| 66 | Raymond O Lewis | 62 | Head | Farmer | Iowa |
| 67 | Katie Lewis | 66 | Wife | — | Iowa |
| 68 | John Yacop | 55 | Head | Farmer | Iowa |
| 69 | Bessie Yacop | 50 | Wife | — | Iowa |
| 70 | Hazel Yacop | 19 | Daughter | — | Iowa |
| 71 | Aaron Yacop | 17 | Son | Farm Labor | Iowa |
| 72 | Dean Yacop | 13 | Son | — | Iowa |
| 73 | Beverly Yacop | 8 | Daughter | — | Montana |
| 74 | Otto D Hellman | 50 | Head | Farmer | Wisconsin |
| 75 | Gertrude Hellman | 41 | Wife | — | Wisconsin |
| 76 | Leonard Hellman | 20 | Son | — | Montana |
| 77 | Ruth Hellman | 18 | Daughter | — | Montana |
| 78 | Anton D Sudan | 34 | Head | Farmer | Montana |
| 79 | Ruby Sudan | 29 | Wife | — | South Dakota |
| 80 | Eugene Sudan | 8 | Son | — | Montana |
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)