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Mary Mcclain — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Pocahontas, Iowa
Our Model Tree links this Mary Mcclain across the 1920 and 1930 US Censuses in Pocahontas, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 9-person household.
Age 9
b. ~1911
Female
Daughter
Born: Iowa
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Pocahontas, Iowa |
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Sherman Township |
| Est. Birth Year | ~1911 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gladys Mcclain | Daughter | — | 5 | ~1915 |
| Mary Mcclain | Daughter | — | 9 | ~1911 |
| Edna Mcclain | Spouse | — | 34 | ~1886 |
| Ina Mcclain | Daughter | — | 3 | ~1917 |
| Lawrence Mcclain | Son | — | 11 | ~1909 |
| Grace Mcclain | Daughter | — | 6 | ~1914 |
| Wayne Mcclain | Son | — | 1 | ~1919 |
| Leon Mcclain | Head | — | 44 | ~1876 |
| Florence Mcclain | Daughter | — | 12 | ~1908 |
Census Appearances
1920
Pocahontas, Iowa
Daughter, age 9
Pocahontas, Iowa · implied b. ~1911 — 9 household members
| Surname | McClain |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Pocahontas, Iowa
Daughter, age 19
Pocahontas, Iowa · implied b. ~1911 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McClain |
| Given Name | Mae |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Illinois |
| Occupation | Stenographer |
| Industry | Lawyer |
| Class of Worker | W |
| Can Read/Write | Yes |
| 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 Mcclain across 2 US Census years (1920 and 1930) in Pocahontas, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mcclain
Daughter · 1920 · age 9 · b. ~1911 · Iowa
★ You are viewing this record
Sibling
Wayne Mcclain
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Mcclain
Sibling · 1920 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Mcclain
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ina Mcclain
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grace Mcclain
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gladys Mcclain
Sibling · 1920 · age 5
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
1920 US Federal Census — Pocahontas, Iowa
Open full size
1920 US Federal Census — Pocahontas, Iowa
Page Contents
49 people indexed on this census page (ia:1920:14thcensusofpopu505unit:1067)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | J Vera | 19 | Daughter | — | Iowa |
| 52 | Goldy A Vera | 17 | Daughter | — | Iowa |
| 53 | Hershel V Vera | 12 | Son | — | Iowa |
| 54 | Palmer C Vera | 12 | Son | — | Iowa |
| 55 | Marrie L Vera | 9 | Daughter | — | Iowa |
| 56 | David Gough | 33 | Head | Farmer | Iowa |
| 57 | Edward V Gough | 27 | Brother | Farm Laborer | Iowa |
| 58 | Ary M Pettijohn | 45 | Head | Farmer | Missouri |
| 59 | Mary Pettijohn | 46 | Wife | — | Missouri |
| 60 | Clyde Pettijohn | 22 | Son | Farm Laborer | Missouri |
| 61 | May Pettijohn | 21 | Daughter | — | Missouri |
| 62 | Clarence Pettijohn | 14 | Son | — | Missouri |
| 63 | Norah Pettijohn | 11 | Daughter | — | Missouri |
| 64 | Lilah Pettijohn | 9 | Daughter | — | Missouri |
| 65 | Charles Pettijohn | 6 | Son | — | Missouri |
| 66 | Frank Plizak | 31 | Head | Farm Laborer | Bohemia |
| 67 | Frances Plizak | 23 | Wife | — | Bohemia |
| 68 | John Milefolich | 51 | Head | Farmer | East Prussia |
| 69 | Mary Milefolich | 46 | Wife | — | Poland |
| 70 | Casper Milefolich | 24 | Son | Farm Laborer | Illinois |
| 71 | Catherine Milefolich | 19 | Daughter | — | Illinois |
| 72 | Agnes M Milefolich | 15 | Daughter | — | Iowa |
| 73 | George M Milefolich | 13 | Son | — | Iowa |
| 74 | Nellie C Milefolich | 10 | Daughter | — | Iowa |
| 75 | Leon V Mcclain | 44 | Head | Farmer | Indiana |
| 76 | Edna M Mcclain | 34 | Wife | — | Illinois |
| 77 | Florence Mcclain | 12 | Daughter | — | Iowa |
| 78 | Lawrence Mcclain | 11 | Son | — | Iowa |
| 79 | Mary Mcclain THIS PERSON | 9 | Daughter | — | Iowa |
| 80 | Grace Mcclain | 6 | Daughter | — | Iowa |
| 81 | Gladys Mcclain | 5 | Daughter | — | Iowa |
| 82 | Ina Mcclain | 3 | Daughter | — | Iowa |
| 83 | Wayne Mcclain | 1 | Son | — | Iowa |
| 84 | George Alig | 36 | Head | Farmer | Illinois |
| 85 | Mary Alig | 36 | Wife | — | Illinois |
| 86 | Isabelle Alig | 13 | Daughter | — | Illinois |
| 87 | Walter Alig | 12 | Son | — | Illinois |
| 88 | Clarence Alig | 10 | Son | — | Iowa |
| 89 | Herbert Alig | 8 | Son | — | Iowa |
| 90 | George Alig | 7 | Son | — | Iowa |
| 91 | Eldora Alig | 5 | Daughter | — | Iowa |
| 92 | Edward Alig | 3 | Son | — | Iowa |
| 93 | Bernice Alig | 1 | Daughter | — | Iowa |
| 94 | Andrew Petros | 25 | Head | Farmer | Iowa |
| 95 | John Petros | 20 | Brother | Farm Laborer | Iowa |
| 96 | Martin Atherton | 29 | Head | Farmer | Illinois |
| 97 | Eva Atherton | 26 | Wife | — | Illinois |
| 98 | Marjorie Atherton | 1 | Daughter | — | Iowa |
| 99 | Arthur Haight | 24 | Brother-in-law | Farm Laborer | Illinois |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)