MP
Mary Pace — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cass-County, Iowa
Our Model Tree links this Mary Pace across the 1930 and 1940 US Censuses in Cass-County, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1905), then head of a 8-person household.
Age 35
b. ~1905
Female
Spouse
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Cass-County, Iowa |
| Surname | Pace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Cass Twp |
| 1935 Residence (County) | Cass |
| Additional Details | |
| Occupation | Housekeeper |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Housekeeper |
| Township / Ward | Cass Twp |
| Est. Birth Year | ~1905 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Pace | Daughter | — | 15 | ~1925 |
| Billie Pace | Son | — | 4 | ~1936 |
| Nellie Pace | Daughter | — | 17 | ~1923 |
| Marilee Pace | Daughter | — | 9 | ~1931 |
| Mary Pace | Spouse | — | 35 | ~1905 |
| Leora Pace | Daughter | — | 13 | ~1927 |
| George Pace | Son | — | 11 | ~1929 |
| Benjamin Pace | Head | — | 45 | ~1895 |
Census Appearances
1930
Cass, Iowa
Spouse, age 25
Cass, Iowa · implied b. ~1905 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pace |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 17 |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Germany |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Cass-County, Iowa
Spouse, age 35
Cass-County, Iowa · implied b. ~1905 — 8 household members
| Surname | Pace |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Cass Twp |
| 1935 Residence (County) | Cass |
| Occupation | Housekeeper |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 Pace across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Pace
Spouse · 1940 · age 35 · b. ~1905 · 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 — Cass-County, Iowa
Open full size
1940 US Federal Census — Cass-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01145-00262)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank Ellis | 64 | Head | Farming | Indiana |
| 2 | Cora Ellis | 63 | Wife | — | Iowa |
| 3 | I. W. Everson | 68 | Head | Farming | Iowa |
| 4 | Ada Everson | 62 | Wife | — | Iowa |
| 5 | Dale W. Everson | 35 | Head | Farming | Missouri |
| 6 | Alice Marie Everson | 31 | Wife | — | Iowa |
| 7 | Jack W. Everson | 2 | Son | — | Iowa |
| 8 | Harry Lable | 59 | Head | Farming | Iowa |
| 9 | Goldie L. Lable | 57 | Wife | — | Iowa |
| 10 | Phyllis F. Lable | 14 | Daughter | — | Iowa |
| 11 | William B. Railsback | 62 | Head | Farming | Iowa |
| 12 | Sadie Ann Railsback | 56 | Wife | — | Iowa |
| 13 | Kenneth Gail Railsback | 13 | Son | — | Iowa |
| 14 | Leon W. Talbott | 41 | Head | Farming | Iowa |
| 15 | Grace B. Talbott | 39 | Wife | — | Iowa |
| 16 | Alberta Jennings | 18 | Daughter | — | Iowa |
| 17 | Charles Jennings | 22 | Son-in-law | — | Iowa |
| 18 | Floyd Rader | 27 | Head | Farming | Iowa |
| 19 | Viola Rader | 23 | Wife | — | Kansas |
| 20 | Arthur Bierbaum | 41 | Head | Farming | Iowa |
| 21 | Gladys S. Bierbaum | 41 | Wife | — | Iowa |
| 22 | Beverly Ann Bierbaum | 9 | Daughter | — | Missouri |
| 23 | A. R. Peebles | 59 | Head | Farming | Illinois |
| 24 | Olive Peebles | 53 | Wife | Housekeeper | Iowa |
| 25 | Paul Peebles | 17 | Son | Farm Worker | Iowa |
| 26 | Rita Marie Peebles | 21 | Daughter | Teacher | Iowa |
| 27 | Dale Elwart Peebles | 15 | Son | — | Iowa |
| 28 | Benjamin Pace | 45 | Head | Teamster | Missouri |
| 29 | Mary Pace THIS PERSON | 35 | Wife | Housekeeper | Missouri |
| 30 | Nellie F. Pace | 17 | Daughter | — | Iowa |
| 31 | Marjorie May Pace | 15 | Daughter | — | Iowa |
| 32 | Leora Edith Pace | 13 | Daughter | — | Iowa |
| 33 | George B. Pace | 11 | Son | — | Iowa |
| 34 | Marilee E. Pace | 9 | Daughter | — | Iowa |
| 35 | Billie G. Pace | 4 | Son | — | Iowa |
| 36 | Roy E. Clark | 31 | Head | Farming | Iowa |
| 37 | Laura M. Clark | 29 | Wife | Housekeeper | Iowa |
| 38 | Ramona P. Clark | 6 | Daughter | — | Iowa |
| 39 | George W. Clark | 5 | Son | — | Iowa |
| 40 | Gilbert L. Clark | 3 | 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)