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Mary Mccullough — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Woodbury-County, Iowa
Our Model Tree links this Mary Mccullough across the 1930 and 1940 US Censuses in Woodbury-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Woodbury-County, Iowa |
| Surname | McCullough |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Additional Details | |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sioux City |
| Est. Birth Year | ~1925 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jerome Mccullough | Son | — | 6 | ~1934 |
| William Mccullough | Son | — | 23 | ~1917 |
| Margaret Mccullough | Daughter | — | 25 | ~1915 |
| William Mccullough | Head | — | 55 | ~1885 |
| Betty Mccullough | Daughter | — | 17 | ~1923 |
| Charles Mccullough | Son | — | 21 | ~1919 |
| James Mccullough | Son | — | 5 | ~1935 |
| Mary Mccullough | Daughter | — | 15 | ~1925 |
| Elizabeth Mccullough | Spouse | — | 48 | ~1892 |
Census Appearances
1930
Woodbury, Iowa
Daughter, age 5
Woodbury, Iowa · implied b. ~1925 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCullough |
| Given Name | Mary J. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Woodbury-County, Iowa
Daughter, age 15
Woodbury-County, Iowa · implied b. ~1925 — 9 household members
| Surname | McCullough |
| Given Name | Mary A. |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Sioux City |
| 1935 Residence (County) | Woodbury |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Mccullough across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccullough
Daughter · 1940 · age 15 · b. ~1925 · Iowa
★ You are viewing this record
Sibling
Jerome Mccullough
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Mccullough
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Mccullough
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccullough
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Mccullough
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Mccullough
Sibling · 1940 · age 23
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 — Woodbury-County, Iowa
Open full size
1940 US Federal Census — Woodbury-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01216-00844)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Carlstrom | 18 | brother-in-law | Repair Man | Iowa |
| 42 | Joseph Beymer | 36 | head | Laborer | Iowa |
| 43 | Marjorie Beymer | 33 | wife | — | Iowa |
| 44 | Beverly Beymer | 12 | daughter | — | Iowa |
| 45 | Jerrold Beymer | 9 | son | — | Iowa |
| 46 | La Vern Busher | 28 | head | Laborer | Nebraska |
| 47 | Florence Busher | 27 | wife | — | Iowa |
| 48 | James Busher | 6 | son | — | Iowa |
| 49 | Donald Busher | 2 | son | — | Iowa |
| 50 | Gerald Carlson | 29 | head | Mechanic | South Dakota |
| 51 | Mayine Carlson | 21 | wife | — | Iowa |
| 52 | Linda Lee Carlson | 2 | daughter | — | Iowa |
| 53 | Lewis Terry | 22 | head | Office Clerk | Iowa |
| 54 | Kathlun Terry | 21 | wife | — | Iowa |
| 55 | Patricia Terry | 2 | daughter | — | Illinois |
| 56 | Conrad O. Borsting | 57 | head | Carpenter | Norway |
| 57 | Hilda Borsting | 57 | wife | — | Norway |
| 58 | Thelma Borsting | 18 | daughter | Office Clerk | Iowa |
| 59 | Conrad Jr. Borsting | 21 | son | — | South Dakota |
| 60 | Marius P. Dahl | 33 | son-in-law | Office Clerk | Iowa |
| 61 | Martha L. Dahl | 23 | daughter | — | North Dakota |
| 62 | Claude Jr. Dahl | 3 | son | — | Iowa |
| 63 | Tom Atkinson | 72 | head | Laborer | England |
| 64 | Elizabeth Atkinson | 69 | wife | — | England |
| 65 | Lucile Atkinson | 31 | daughter | Stenographer | Iowa |
| 66 | Alice Buresh | 42 | daughter | — | Kansas |
| 67 | James F. Buresh | 16 | grandson | Carrier | Iowa |
| 68 | Robert D. Buresh | 14 | grandson | — | Iowa |
| 69 | Tom Kenneth Buresh | 12 | grandson | — | Iowa |
| 70 | William Mccullough | 55 | head | Salesman | Iowa |
| 71 | Elizabeth Mccullough | 48 | wife | — | Iowa |
| 72 | Margaret Mccullough | 25 | daughter | Bookkeeper | Iowa |
| 73 | William Jr. Mccullough | 23 | son | Lens Grinder | Iowa |
| 74 | Charles P. Mccullough | 21 | son | Asst Mail Carrier | Iowa |
| 75 | Betty Ann Mccullough | 17 | daughter | — | Iowa |
| 76 | Mary A. Mccullough THIS PERSON | 15 | daughter | — | Iowa |
| 77 | Jerome F. Mccullough | 6 | son | — | Iowa |
| 78 | James E. Mccullough | 5 | son | — | Iowa |
| 79 | Lina M. Coates | 75 | head | — | Iowa |
| 80 | James A. Graham | 62 | head | Proprietor | Illinois |
Related Census Records
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)