MS
Martha Smith — 1930 US Census Record
Model Tree available1930 United States Federal Census · Linn, Iowa
Our Model Tree links this Martha Smith across the 1910, 1920 and 1930 US Censuses in Linn, Iowa (XGBoost, ~Confirmed), with identified parents Isaac & Jesse — first a daughter (b.~1906), then head of a 7-person household.
Age 24
b. ~1906
Female
Daughter
Born: Iowa
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Linn, Iowa |
| Surname | Smith |
| Given Name | Martha A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Cedar Rapids City |
| Est. Birth Year | ~1906 |
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.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Marian Smith | Daughter | — | 13 | ~1917 |
| Martha Smith | Daughter | — | 24 | ~1906 |
| Isaac Smith | Head | — | 63 | ~1867 |
| Bessie Severa | Other | — | 22 | ~1908 |
| Agnes Hartl | Other | — | 37 | ~1893 |
| Adah Smith | Other | — | 55 | ~1875 |
| Stevan Smith | Son | — | 17 | ~1913 |
Census Appearances
1910
Linn, Iowa
Daughter, age 3
Linn, Iowa · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1920
Linn, Iowa
Daughter, age 13
Linn, Iowa · implied b. ~1907 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Smith |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Linn, Iowa
Daughter, age 24
Linn, Iowa · implied b. ~1906 — 7 household members
| Surname | Smith |
| Given Name | Martha A. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| 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 Martha Smith across 3 US Census years (1910, 1920 and 1930) in Linn, Iowa, using XGBoost record linkage. Identified parents: father Isaac Smith (~0.92 confidence) and father Jesse Smith (~0.92 confidence) and mother Adah Smith (~0.92 confidence) and mother Irene Smith (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Isaac Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Jesse Smith
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Adah Smith
b. ~1878
Source mother
● Household
· direct · ~0.92
Mother
Irene Smith
b. ~1868
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Martha Smith
Daughter · 1930 · age 24 · b. ~1906 · Iowa
★ You are viewing this record
Sibling
Marian Smith
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stevan Smith
Sibling · 1930 · age 17
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 — Linn, Iowa
Open full size
1930 US Federal Census — Linn, Iowa
Page Contents
50 people indexed on this census page (ia:1930:iowacensus00reel665:0136)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Jean W. Owen | 8 | Daughter | — | Iowa |
| 52 | Billie E. Owen | 6 | Son | — | Iowa |
| 53 | William E. Prucha | 36 | Head | Traveler | Czechoslovakia |
| 54 | Marie H. Prucha | 32 | Wife-H | — | Nebraska |
| 55 | Matej Prucha | 47 | Head | Tailor | Czechoslovakia |
| 56 | Emilie Prucha | 45 | Wife-H | — | Czechoslovakia |
| 57 | Libbie Prucha | 22 | Daughter | Stenographer | Czechoslovakia |
| 58 | Emma Prucha | 21 | Daughter | Saleslady | Czechoslovakia |
| 59 | Emil Prucha | 11 | Son | — | Iowa |
| 60 | Clinton L. Duesenberg | 28 | Head | Accountant | Iowa |
| 61 | Helen E. Duesenberg | 25 | Wife-H | Bookkeeper | Iowa |
| 62 | Clinton L. Doudna | 36 | Head | Proprietor | Iowa |
| 63 | Faye E. Doudna | 38 | Wife-H | Saleslady | Iowa |
| 64 | Claire A. Robinson | 38 | Head | Director | Iowa |
| 65 | Isaac B. Smith | 63 | Head | President | Iowa |
| 66 | Adah H. Smith | 55 | Wife-H | — | Wisconsin |
| 67 | Martha A. Smith THIS PERSON | 24 | Daughter | — | Iowa |
| 68 | Stevan B. Smith | 17 | Son | — | Iowa |
| 69 | Marian A. Smith | 13 | Daughter | — | Iowa |
| 70 | Agnes M. Hartl | 37 | Servant | Servant | Iowa |
| 71 | Bessie Severa | 22 | Servant | Servant | Iowa |
| 72 | Robert S. Sundau | 57 | Head | Manager | Iowa |
| 73 | Ethel H. Sundau | 49 | Wife-H | — | Michigan |
| 74 | Mary Sundau | 26 | Daughter | Secretary | Iowa |
| 75 | Thomas G. Sundau | 24 | Son | Assistant Prod | Iowa |
| 76 | Eloie C. Sundau | 22 | Daughter | — | Iowa |
| 77 | Caroline E. Sundau | 21 | Daughter | — | Iowa |
| 78 | F. Douglas Bennett | 20 | Step son | — | Michigan |
| 79 | John A. Bennett | 16 | Step son | — | Michigan |
| 80 | Lillian Horak | 20 | Servant | Servant | Iowa |
| 81 | Fred M. Humes | 30 | Head | Presser | Illinois |
| 82 | Martha F. Humes | 31 | Wife-H | Servant-Cook | Iowa |
| 83 | Arthur A. Poe | 51 | Head | Asst. Manager | Maryland |
| 84 | Anne K. Poe | 49 | Wife-H | — | Pennsylvania |
| 85 | Anne J. Poe | 24 | Daughter | — | Canada English |
| 86 | Ella K. Poe | 22 | Daughter | — | Canada English |
| 87 | Georgia K. Fiala | 16 | Servant | Servant | Missouri |
| 88 | Jean E. Hatfield | 10 | Daughter | — | Wisconsin |
| 89 | Sylvia Kemsala | 30 | Servant | Saleslady | Iowa |
| 90 | Elfie Church | 38 | Roomer | Stenographer | Florida |
| 91 | Patrick J. Beham | 46 | Head | Priest | Iowa |
| 92 | Ray Frank Areia | 23 | Lodger | Bookkeeper | Iowa |
| 93 | Fred T. Labea | 38 | Head | Yes | Austria |
| 94 | Bessie H. Labea | 40 | Wife-H | Asst. Girl | Kansas |
| 95 | Belden Martin | 22 | Employee | Helper | Iowa |
| 96 | Adolph Kapa | 64 | Employee | Yes | Poland |
| 97 | William G. Clulee | 38 | Employee | Locker Man | Pennsylvania |
| 98 | Theresa V. Herad | 36 | Employee | Waitress | New York |
| 99 | Mary Modery | 37 | Employee | Waitress | Iowa |
| 100 | Henry Jr. Galligan | 42 | Employee | Yes | Switzerland |
Pedigree Summary
Martha + 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)