MS
Mary Shaw — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cass, Iowa
Our Model Tree links this Mary Shaw across the 1910, 1920 and 1930 US Censuses in Cass, Iowa (XGBoost, ~Confirmed) — first a spouse (b.~1868), then head of a 5-person household.
Age 62
b. ~1868
Female
Spouse
Born: Iowa
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cass, Iowa |
| Surname | Shaw |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Bear Grove Township |
| Est. Birth Year | ~1868 |
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 Shaw | Head | — | 59 | ~1871 |
| John Hamelikus | Other | — | 52 | ~1878 |
| Ralph Shaw | Son | — | 20 | ~1910 |
| John Shaw | Son | — | 27 | ~1903 |
| Mary Shaw | Spouse | — | 62 | ~1868 |
Census Appearances
1910
Cass, Iowa
Spouse, age 42
Cass, Iowa · implied b. ~1868 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Iowa |
| Years Married | 3 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Cass, Iowa
Spouse, age 52
Cass, Iowa · implied b. ~1868 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Shaw |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Iowa |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Cass, Iowa
Spouse, age 62
Cass, Iowa · implied b. ~1868 — 5 household members
| Surname | Shaw |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Iowa |
| Age at First Marriage | 29 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| 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 Shaw across 3 US Census years (1910, 1920 and 1930) in Cass, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Shaw
Spouse · 1930 · age 62 · b. ~1868 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cass, Iowa
Open full size
1930 US Federal Census — Cass, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel646:0616)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | John Shaw | 59 | Head | Farmer | Iowa |
| 52 | Mary L. Shaw THIS PERSON | 62 | Wife | — | Iowa |
| 53 | John Kendall Shaw | 27 | Son | Farm Laborer | Iowa |
| 54 | Ralph H. Shaw | 20 | Son | — | Iowa |
| 55 | John Hamelikus | 52 | Servant | Farm Laborer | Germany |
| 56 | Joe Stephens | 52 | Head | Farmer | Indiana |
| 57 | Irene Stephens | 38 | Wife | — | Iowa |
| 58 | Lee Stephens | 21 | Son | — | Idaho |
| 59 | Colleen Stephens | 14 | Daughter | — | Iowa |
| 60 | Dale Stephens | 6 | Son | — | Iowa |
| 61 | Kathleen Stephens | 4 | Daughter | — | Iowa |
| 62 | H. H. Curtis | 66 | Head | Farmer | Iowa |
| 63 | Cora A. Curtis | 50 | Wife | — | Iowa |
| 64 | Robert R. Curtis | 19 | Son | — | Iowa |
| 65 | Burton W. Curtis | 15 | Son | — | Iowa |
| 66 | Eugene D. Curtis | 4 | Son | — | Iowa |
| 67 | Chas. W. Taylor | 49 | Head | Farmer | Virginia |
| 68 | Maggie Taylor | 37 | Wife | — | Germany |
| 69 | Dolf Doggett | 47 | Head | Farmer | Iowa |
| 70 | Katherine Daller | 44 | Servant | — | Germany |
| 71 | Howard Keim | 17 | Boarder | — | Iowa |
| 72 | George Heisler | 63 | Head | Farmer | Iowa |
| 73 | Katherine Heisler | 58 | Wife | — | Iowa |
| 74 | Loretta Heisler | 22 | Daughter | School Teacher | Iowa |
| 75 | Gail Heisler | 20 | Son | — | Iowa |
| 76 | George Lee | 22 | Servant | Farm Laborer | Missouri |
| 77 | A. M. Mcfadden | 47 | Head | Farmer | Iowa |
| 78 | Amy Mcfadden | 52 | Wife | — | Iowa |
| 79 | Gradon Mcfadden | 15 | Son | — | Iowa |
| 80 | Raymond Peters | 33 | Head | Farmer | Iowa |
| 81 | Madge Peters | 32 | Wife | — | Iowa |
| 82 | Billy Peters | 5 | Son | — | Iowa |
| 83 | Chas. Thorne | 60 | Head | Farmer | Illinois |
| 84 | Edna Thorne | 53 | Wife | — | Iowa |
| 85 | Rachel Webster | 77 | Mother-in-law | — | Vermont |
| 86 | H. A. Matt | 61 | Head | Farmer | Canada Eng |
| 87 | Bessie E. Matt | 50 | Wife | — | Iowa |
| 88 | Floyd A. Matt | 21 | Son | Farm Laborer | Montana |
| 89 | Pauline A. Matt | 19 | Daughter | — | Iowa |
| 90 | J. M. Nealy | 59 | Head | Farmer | Iowa |
| 91 | Etta Nealy | 54 | Wife | — | Iowa |
| 92 | Erma Nealy | 28 | Daughter | — | Iowa |
| 93 | Grace Nealy | 24 | Daughter | Teacher | Iowa |
| 94 | Frances Nealy | 20 | Daughter | Teacher | Iowa |
| 95 | R. H. Christensen | 35 | Head | Farmer | Iowa |
| 96 | Gladys Christensen | 24 | Wife | — | Iowa |
| 97 | Billy Christensen | 2 | Son | — | Iowa |
| 98 | August Carlson | 60 | Head | Farmer | Iowa |
| 99 | Elida Carlson | 76 | Wife | — | Illinois |
| 100 | Andrew Carlson | 49 | Brother | Farm Laborer | Iowa |
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)