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Mary Lamb — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Tama, Iowa
Our Model Tree links this Mary Lamb across the 1920 and 1930 US Censuses in Tama, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1909), then head of a 12-person household.
Age 21
b. ~1909
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Tama, Iowa |
| Surname | Lamb |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | W |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Additional Details | |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | 9494 |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Teacher |
| Township / Ward | Salt Creek Township |
| Est. Birth Year | ~1909 |
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.
12 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Marjorie Lamb | Daughter | — | 20 | ~1910 |
| Eloise Lamb | Daughter | — | 12 | ~1918 |
| Dorothy Lamb | Daughter | — | 3 | ~1927 |
| Mary Lamb | Spouse | — | 46 | ~1884 |
| David Lamb | Son | — | 23 | ~1907 |
| Mary Hurt | Other | — | 79 | ~1851 |
| Mildred Lamb | Daughter | — | 24 | ~1906 |
| Charles Lamb | Son | — | 11 | ~1919 |
| George Lamb | Head | — | 54 | ~1876 |
| Floyd Lamb | Son | — | 16 | ~1914 |
| Mary Lamb | Daughter | — | 21 | ~1909 |
| George Lamb | Son | — | 19 | ~1911 |
Census Appearances
1920
Tama, Iowa
Daughter, age 10
Tama, Iowa · implied b. ~1910 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lamb |
| Given Name | Margery |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Tama, Iowa
Daughter, age 21
Tama, Iowa · implied b. ~1909 — 12 household members
| Surname | Lamb |
| Given Name | Mary C. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| Age at First Marriage | W |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Occupation | Teacher |
| Industry | Rural School |
| Class of Worker | 9494 |
| 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 Lamb across 2 US Census years (1920 and 1930) in Tama, Iowa, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lamb
Daughter · 1930 · age 21 · b. ~1909 · Iowa
★ You are viewing this record
Sibling
George Lamb
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mildred Lamb
Sibling · 1930 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marjorie Lamb
Sibling · 1930 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eloise Lamb
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Lamb
Sibling · 1930 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Lamb
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Floyd Lamb
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Lamb
Sibling · 1930 · age 3
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 — Tama, Iowa
Open full size
1930 US Federal Census — Tama, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel684:0839)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Iva Fair | 39 | Wife | — | Iowa |
| 52 | Thelma Fair | 20 | Daughter | — | Iowa |
| 53 | Leila Fair | 18 | Daughter | — | Iowa |
| 54 | Gail Fair | 16 | Son | — | Iowa |
| 55 | Wesley Jr. Fair | 13 | Son | — | Iowa |
| 56 | Eelendor Fair | 10 | Daughter | — | Wisconsin |
| 57 | Ellsworth Fair | 9 | Son | — | Iowa |
| 58 | Janelaine Fair | 7 | Daughter | — | Iowa |
| 59 | James Chekal | 48 | Head | Farmer | Iowa |
| 60 | Ella Chekal | 32 | Wife | — | Iowa |
| 61 | Matilda Chekal | 11 | Daughter | — | Iowa |
| 62 | Helen Chekal | 8 | Daughter | — | Iowa |
| 63 | Vera Chekal | 4 | Daughter | — | Iowa |
| 64 | Anna Chekal | 1 | Daughter | — | Iowa |
| 65 | Frank Jr. Tesar | 46 | Head | Farmer | Iowa |
| 66 | Sophia Tesar | 38 | Wife | — | Iowa |
| 67 | Emil Tesar | 40 | Head | Farmer | Iowa |
| 68 | Ella Tesar | 30 | Wife | — | Iowa |
| 69 | Esther Tesar | 7 | Daughter | — | Iowa |
| 70 | Gerrard Tesar | 1 | Son | — | Iowa |
| 71 | R. Wood Rostiau | 31 | Head | Farmer | Iowa |
| 72 | Ora Rostiau | 67 | Mother | — | Pennsylvania |
| 73 | Kenneth G. Case | 31 | Head | Farmer | Iowa |
| 74 | Mila Case | 30 | Wife | — | Iowa |
| 75 | Elvin Rote | 63 | Head | Farmer | Missouri |
| 76 | Mary Rote | 58 | Wife | — | Iowa |
| 77 | Joe Batka | 40 | Head | Farmer | Iowa |
| 78 | Julia Batka | 34 | Wife | — | Iowa |
| 79 | Edward Batka | 14 | Son | — | Iowa |
| 80 | George Batka | 10 | Son | — | Iowa |
| 81 | Martin Batka | 8 | Son | — | Iowa |
| 82 | George M. Lamb | 54 | Head | Farmer | Iowa |
| 83 | Mary E. Lamb | 46 | Wife | — | Iowa |
| 84 | Mildred E. Lamb | 24 | Daughter | Teacher | Iowa |
| 85 | David J. Lamb | 23 | Son | Salesman | Iowa |
| 86 | Mary C. Lamb THIS PERSON | 21 | Daughter | Teacher | Iowa |
| 87 | Marjorie C. Lamb | 20 | Daughter | Teacher | Iowa |
| 88 | George W. Lamb | 19 | Son | Farmer | Iowa |
| 89 | Floyd E. Lamb | 16 | Son | — | Iowa |
| 90 | Eloise Lamb | 12 | Daughter | — | Iowa |
| 91 | Charles F. Lamb | 11 | Son | — | Iowa |
| 92 | Dorothy Lamb | 3 | Daughter | — | Iowa |
| 93 | Mary Hurt | 79 | Mother-in-law | — | Czechoslovakia |
| 94 | Albert Wilkinson | 27 | Head | Farmer | Iowa |
| 95 | Nancy Wilkinson | 28 | Wife | — | Illinois |
| 96 | Keith Wilkinson | 4 | Son | — | Iowa |
| 97 | Marjorie Wilkinson | 2 | Daughter | — | Iowa |
| 98 | Elizabeth Wilkinson | 0 | Daughter | — | Iowa |
| 99 | Le Roy Welles | 19 | Head | Farmer | Louisiana |
| 100 | George Samashk | 23 | Head | Farmer | 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)