MP
Mary Porter — 1930 US Census Record
Model Tree available1930 United States Federal Census · Adair, Iowa
Our Model Tree links this Mary Porter across the 1920, 1930 and 1940 US Censuses in Adair, Iowa (XGBoost, ~Confirmed), with identified parents John & Myrtle — first a son (b.~1919), then head of a 5-person household.
Age 11
b. ~1919
Male
Son
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Adair, Iowa |
| Surname | Porter |
| Given Name | Mary E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Greenfield Town |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Porter | Head | — | 46 | ~1884 |
| Mary Porter | Son | — | 11 | ~1919 |
| Dick Porter | Son | — | 9 | ~1921 |
| Donald Porter | Son | — | 19 | ~1911 |
| Mertie Porter | Spouse | — | 43 | ~1887 |
Census Appearances
1920
Adair, Iowa
Son, age 1
Adair, Iowa · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Max E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| 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 |
1930
Adair, Iowa
Son, age 11
Adair, Iowa · implied b. ~1919 — 5 household members
| Surname | Porter |
| Given Name | Mary E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Adair-County, Iowa
Head, age 21
Adair-County, Iowa · implied b. ~1919 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Porter |
| Given Name | Max E |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Married |
| Birthplace | Iowa |
| 1935 Residence (City) | Greenfield Town |
| 1935 Residence (County) | Adair |
| Occupation | truck driver |
| Industry | retail gasoline business |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 364 |
| Highest Grade | Hs 4 |
| 1935 Residence | Iowa |
| 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 Porter across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Porter (~0.92 confidence) and mother Myrtle Porter (~0.92 confidence) and father John Porter (~0.92 confidence) and mother Mertie Porter (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Porter
b. ~1864
Source father
● Household
· direct · ~0.92
Mother
Myrtle Porter
b. ~1868
Source mother
● Household
· direct · ~0.92
Father
John Porter
b. ~1884
Source father
● Household
· direct · ~0.92
Mother
Mertie Porter
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Porter
Son · 1930 · age 11 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Dick Porter
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Porter
Sibling · 1930 · age 19
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
1930 US Federal Census — Adair, Iowa
Open full size
1930 US Federal Census — Adair, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel640:0062)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Bessie Schwab | 35 | Daughter | Saleslady | Illinois |
| 52 | John W Porter | 46 | Head | Barber | Iowa |
| 53 | Mertie B Porter | 43 | Wife | — | Iowa |
| 54 | Donald D Porter | 19 | Son | Laborer | Iowa |
| 55 | Mary E Porter THIS PERSON | 11 | Son | — | Iowa |
| 56 | Dick W Porter | 9 | Son | — | Iowa |
| 57 | Alvin C Murtay | 40 | Head | Farmer | United States |
| 58 | Gertie A Murtay | 37 | Wife | — | Iowa |
| 59 | Ethel A Murtay | 12 | Daughter | — | Iowa |
| 60 | Oral B Estell | 23 | Laborer | Laborer | Iowa |
| 61 | John D Ross | 61 | Head | — | Illinois |
| 62 | Sadie L Ross | 64 | Sister | — | Illinois |
| 63 | Barbra L Ross | 57 | Sister | — | Illinois |
| 64 | Walter C Smith | 59 | Head | Teamster | New York |
| 65 | Emma E Smith | 53 | Wife | — | Illinois |
| 66 | Hazel Smith | 21 | Daughter | Teacher | Iowa |
| 67 | Ella M Smith | 17 | Daughter | Teacher | Iowa |
| 68 | Helen P Sefeldt | 84 | Head | — | Ohio |
| 69 | Eva M Sefeldt | 63 | Daughter | — | Iowa |
| 70 | Agloy Andres | 78 | Head | — | Germany |
| 71 | Sophia Andres | 72 | Wife | — | France |
| 72 | Arthur W Andres | 34 | Son | Laborer | Iowa |
| 73 | Mary L Leach | 73 | Head | — | Indiana |
| 74 | Gertrude Leach | 42 | Daughter | Saleslady | Nebraska |
| 75 | Sidney L Hepler | 54 | Head | — | Pennsylvania |
| 76 | Ollie L Hepler | 47 | Wife | — | Iowa |
| 77 | Edna J Barnes | 42 | Head | Teacher | Iowa |
| 78 | Ruth M Barnes | 33 | Sister | Teacher | Iowa |
| 79 | Wallace G De Penning | 28 | Head | Teacher | Iowa |
| 80 | Marie De Penning | 24 | Wife | — | Netherlands |
| 81 | Scott E Kenworthy | 46 | Head | Barber | Iowa |
| 82 | Clara B Kenworthy | 44 | Wife | — | Iowa |
| 83 | Scott E Jr Kenworthy | 17 | Son | — | Iowa |
| 84 | Clare E Kenworthy | 11 | Son | — | Iowa |
| 85 | Harriett L Elliott | 77 | Head | — | Illinois |
| 86 | Ella B Rhinehart | 71 | Head | — | North Carolina |
| 87 | Joel R Creese | 35 | Head | Proprietor | Iowa |
| 88 | Marie M Creese | 33 | Wife | — | Iowa |
| 89 | Lola D Creese | 10 | Daughter | — | Iowa |
| 90 | Omer N Perkins | 72 | Head | — | Illinois |
| 91 | Mary E Perkins | 66 | Wife | — | Iowa |
| 92 | Archie E Rush | 36 | Head | Mail Carrier | Iowa |
| 93 | Pearle E Rush | 39 | Wife | — | Nebraska |
| 94 | Marian J Rush | 10 | Daughter | — | Iowa |
| 95 | Blanche L Rush | 2 | Daughter | — | Iowa |
| 96 | Gust G Greenbank | 47 | Head | Laborer | Iowa |
| 97 | Bessie R Greenbank | 40 | Wife | — | Iowa |
| 98 | Opal U Greenbank | 10 | Daughter | — | Iowa |
| 99 | Vivian B Greenbank | 8 | Daughter | — | Iowa |
| 100 | Freeman G Jersey | 68 | Head | — | West Virginia |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)