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Mary Holmes — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Mary Holmes across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 2-person household.
Age 73
b. ~1867
Female
Head
Born: England
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Holmes |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Naturalization Status | Naturalized |
| Additional Details | |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
| Township / Ward | Mason City |
| Est. Birth Year | ~1867 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Holmes | Head | — | 73 | ~1867 |
| George Holmes | Son | — | 37 | ~1903 |
Census Appearances
1920
Cerro Gordo, …
Spouse, age 54
Cerro Gordo, Iowa · implied b. ~1866 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | England |
| Year of Immigration | 1870 |
| Naturalization Status | Naturalized |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Year of Naturalization | 1880 |
| Birthplace (normalized) | england |
1930
Cerro Gordo, …
Other, age 64
Cerro Gordo, Iowa · implied b. ~1866 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Holmes |
| Given Name | Mary A. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | F |
| Birthplace | England |
| Naturalization Status | Naturalized |
| Year of Immigration | 1871 |
| Age at First Marriage | 20 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | England |
| Birthplace (normalized) | england |
1940
Cerro-Gordo-County, Iowa
Head, age 73
Cerro-Gordo-County, Iowa · implied b. ~1867 — 2 household members
| Surname | Holmes |
| Given Name | Mary A. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | England |
| 1935 Residence (City) | Mason City |
| 1935 Residence (County) | Cerro Gordo |
| Naturalization Status | Naturalized |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | England |
| Birthplace (normalized) | england |
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 Holmes across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Holmes
Head · 1940 · age 73 · b. ~1867 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-01123)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Olive Thorn | 20 | Daughter | Bookkeeper | Iowa |
| 42 | Gary Thorn | 1 | Son | — | Iowa |
| 43 | Theodore Arndt | 32 | Head | Laborer | Iowa |
| 44 | Margaret Arndt | 26 | Wife | — | Iowa |
| 45 | Phyllis Arndt | 5 | Daughter | — | Iowa |
| 46 | Marvin Arndt | 4 | Son | — | Iowa |
| 47 | Theodore Jr. Arndt | 2 | Son | — | Iowa |
| 48 | Harold Arndt | 1 | Son | — | Iowa |
| 49 | Marlys Arndt | 0 | Daughter | — | Iowa |
| 50 | W. B. Haine | 42 | Head | Cement Burner | Colorado |
| 51 | Dorothy Haine | 36 | Wife | — | Iowa |
| 52 | Melvin L. Haine | 16 | Son | — | Iowa |
| 53 | Hazel Haine | 14 | Daughter | — | Iowa |
| 54 | Mary Haine | 9 | Daughter | — | Iowa |
| 55 | Alberta Haine | 8 | Daughter | — | Iowa |
| 56 | Mary A. Holmes THIS PERSON | 73 | Head | — | England |
| 57 | George Holmes | 37 | Son | Plasterer | Illinois |
| 58 | Clarence Olson | 56 | Head | Laborer | Sweden |
| 59 | Mary Olson | 54 | Wife | — | Iowa |
| 60 | Ernest Olson | 18 | Son | Laborer | Iowa |
| 61 | Lynn Olson | 16 | Son | Newsboy | Iowa |
| 62 | A. Lloyd Olson | 28 | Head | Laborer | Iowa |
| 63 | Lucille Olson | 23 | Wife | — | Iowa |
| 64 | Marjorie Ann Olson | 2 | Daughter | — | Iowa |
| 65 | D. D. Bartell | 59 | Head | Truck Driver | Wisconsin |
| 66 | Alice B. Bartell | 56 | Wife | — | Iowa |
| 67 | Robert Bartell | 34 | Son | Laborer (Truck Loader) | Iowa |
| 68 | Lyle Bartell | 18 | Son | Truck Loader | Iowa |
| 69 | Richard Lindquist | 6 | Grandson | — | Iowa |
| 70 | Ronald Lindquist | 4 | Grandson | — | Iowa |
| 71 | Sarah Clausen | 71 | Head | — | Wisconsin |
| 72 | Adrian Miller | 26 | Head | Truck Driver | Missouri |
| 73 | Helen Miller | 26 | Wife | — | Missouri |
| 74 | Adrian Jr. Miller | 3 | Son | — | Missouri |
| 75 | John Gartman | 49 | Head | Laborer | Iowa |
| 76 | Blanche Gartman | 31 | Wife | — | Iowa |
| 77 | Lavonne Gartman | 11 | Daughter | — | Iowa |
| 78 | Mildred Gartman | 7 | Daughter | — | Iowa |
| 79 | Lloyd Gartman | 5 | Son | — | Iowa |
| 80 | Arthur Gartman | 1 | Daughter|Son | — | Iowa |
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)