MP
Mary Perkins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Polk-County, Iowa
Our Model Tree links this Mary Perkins across the 1920, 1930 and 1940 US Censuses in Polk-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1876), then head of a 2-person household.
Age 64
b. ~1876
Female
Head
Born: Ohio
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Polk-County, Iowa |
| Surname | Perkins |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Township / Ward | Des Moines City |
| Est. Birth Year | ~1876 |
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 |
|---|---|---|---|---|
| Ruth Perkins | Daughter | — | 36 | ~1904 |
| Mary Perkins | Head | — | 64 | ~1876 |
Census Appearances
1920
Polk, Iowa
Spouse, age 44
Polk, Iowa · implied b. ~1876 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Ohio |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Welsh |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Polk, Iowa
Other, age 54
Polk, Iowa · implied b. ~1876 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Perkins |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | Ohio |
| Age at First Marriage | 22 |
| Father's Birthplace | Wales |
| Mother's Birthplace | Wales |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Polk-County, Iowa
Head, age 64
Polk-County, Iowa · implied b. ~1876 — 2 household members
| Surname | Perkins |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Ohio |
| 1935 Residence (City) | Des Moines City |
| 1935 Residence (County) | Polk |
| Income (1939) | 0 |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
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 Perkins across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Perkins
Head · 1940 · age 64 · b. ~1876 · Iowa
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Polk-County, Iowa
Open full size
1940 US Federal Census — Polk-County, Iowa
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01194-00545)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Oliver C. Miller | 22 | Nephew | Elevator Operator | Illinois |
| 42 | Wayne Mcpherson | 17 | Lodger | — | Iowa |
| 43 | Joyce Perkins | 14 | Lodger | — | Iowa |
| 44 | Ernest Roach | 40 | Head | Spotter | Missouri |
| 45 | Lucy Roach | 40 | Wife | — | Iowa |
| 46 | Earnest Jr. Roach | 19 | Son | Spotter | Iowa |
| 47 | Mary L. Roach | 11 | Daughter | — | Iowa |
| 48 | Pearl Norton | 24 | Housekeeper | Clerical | South Dakota |
| 49 | Robert Boyd | 37 | Head | Forman | Iowa |
| 50 | Alice Boyd | 37 | Wife | — | Iowa |
| 51 | Theodore Boller | 64 | Head | Plumbing | Switzerland |
| 52 | Julia Boller | 62 | Wife | — | Iowa |
| 53 | Nathan Hystone | 48 | Head | Salesman | Lithuania |
| 54 | Sarah Hystone | 37 | Wife | Saleslady | Russia |
| 55 | Jean Hystone | 19 | Daughter | — | Iowa |
| 56 | Jay Hystone | 9 | Son | — | Iowa |
| 57 | Roy H. Chance | 47 | Head | Truck Driving | Kansas |
| 58 | Helen Chance | 43 | Wife | — | Colorado |
| 59 | Virginia Chance | 16 | Daughter | — | Missouri |
| 60 | Dorothy Chance | 14 | Daughter | — | Missouri |
| 61 | Lillian Chance | 11 | Daughter | — | Missouri |
| 62 | Mary Perkins THIS PERSON | 64 | Head | — | Ohio |
| 63 | Ruth Perkins | 36 | Daughter | Stenographer | Iowa |
| 64 | William Gartsee | 78 | Head | — | New York |
| 65 | Cora B. Gartsee | 73 | Wife | — | Iowa |
| 66 | Billy C. Eoff | 52 | Head | Operator | Missouri |
| 67 | Clurine Eoff | 48 | Wife | — | Missouri |
| 68 | Louis Eoff | 12 | Daughter | — | Iowa |
| 69 | Russell Eoff | 8 | Son | — | Iowa |
| 70 | George W. Wise | 52 | Head | Painter | Missouri |
| 71 | Alta Wise | 47 | Wife | Waitress | Iowa |
| 72 | George Wise | 19 | Son | Fountain Help | Iowa |
| 73 | Muriel Wise | 15 | Daughter | — | Iowa |
| 74 | Carl Bertelsen | 53 | Head | — | Denmark |
| 75 | Ann B. Schaber | 55 | Housekeeper | — | Illinois |
| 76 | Raymond G. Cox | 28 | Lodger | Radio Operator | Illinois |
| 77 | Loula Koutsounis | 42 | Head | Shiner | Greece |
| 78 | Marie Koutsounis | 31 | Wife | — | Greece |
| 79 | Elaine Koutsounis | 7 | Daughter | — | 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)