MC
Martha Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Pembina, North Dakota
Our Model Tree links this Martha Clark across the 1920 and 1930 US Censuses in Pembina, North Dakota (XGBoost, ~Confirmed) — first a daughter (b.~1911), then head of a 11-person household.
Age 19
b. ~1911
Female
Daughter
Born: North Dakota
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Pembina, North Dakota |
| Surname | Clark |
| Given Name | Martha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Canada English |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
| Occupation | Servant |
| Township / Ward | Lamoure Township T 162 R 56 |
| 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.
11 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Martha | Age | Birth yr |
|---|---|---|---|---|
| Iris Clark | Daughter | — | 11 | ~1919 |
| Martha Clark | Daughter | — | 19 | ~1911 |
| Eva Clark | Daughter | — | 16 | ~1914 |
| Eva Clark | Daughter | — | 1 | ~1929 |
| Ida Clark | Daughter | — | 4 | ~1926 |
| William Clark | Head | — | 42 | ~1888 |
| Ross Clark | Son | — | 7 | ~1923 |
| Manuel Clark | Son | — | 11 | ~1919 |
| David Clark | Son | — | 2 | ~1928 |
| William Clark | Son | — | 15 | ~1915 |
| Hellen Clark | Spouse | — | 37 | ~1893 |
Census Appearances
1920
Pembina, North …
Daughter, age 9
Pembina, North Dakota · implied b. ~1911 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clark |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Canada |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
1930
Pembina, North …
Daughter, age 19
Pembina, North Dakota · implied b. ~1911 — 11 household members
| Surname | Clark |
| Given Name | Martha M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | North Dakota |
| Father's Birthplace | North Dakota |
| Mother's Birthplace | Canada English |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | North Dakota |
| Birth Country | United States |
| Birthplace (normalized) | north dakota |
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 Clark across 2 US Census years (1920 and 1930) in Pembina, North Dakota, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Clark
Daughter · 1930 · age 19 · b. ~1911 · North Dakota
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Sibling
Ross Clark
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
David Clark
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Clark
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iris Clark
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Manuel Clark
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Clark
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eva Clark
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ida Clark
Sibling · 1930 · age 4
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 — Pembina, North Dakota
Open full size
1930 US Federal Census — Pembina, North Dakota
Page Contents
50 people indexed on this census page (ia:1930:15thcensus1740unit:0183)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Ethel O. Arneson | 34 | Wife | — | North Dakota |
| 52 | John A. Arneson | 5 | Son | — | North Dakota |
| 53 | Orville W. Arneson | 3 | Son | — | North Dakota |
| 54 | Margaret Arneson | 1 | Daughter | — | North Dakota |
| 55 | Fred Pitcher | 58 | Head | Farmer | Canada English |
| 56 | Carrie Pitcher | 49 | Wife | — | Norway |
| 57 | Percy W. Pitcher | 26 | Son | Laborer | North Dakota |
| 58 | Elmer L. Pitcher | 19 | Son | Laborer | North Dakota |
| 59 | Stanley R. Pitcher | 17 | Son | — | North Dakota |
| 60 | Beatrice F. Pitcher | 15 | Daughter | — | North Dakota |
| 61 | Clarence F. Pitcher | 13 | Son | — | North Dakota |
| 62 | Doris M. Pitcher | 8 | Daughter | — | North Dakota |
| 63 | Ida M. Pitcher | 6 | Daughter | — | North Dakota |
| 64 | Gudmundur Sigurdson | 34 | Head | Farmer | North Dakota |
| 65 | Jonina K. Sigurdson | 23 | Wife | — | North Dakota |
| 66 | Simundur Simundson | 62 | Head | Farmer | Iceland |
| 67 | Viola Simundson | 50 | Wife | — | Canada English |
| 68 | Johannes Simundson | 24 | Son | Laborer | North Dakota |
| 69 | Eingkur G. Simundson | 20 | Son | Laborer | North Dakota |
| 70 | Jodrunna Simundson | 16 | Daughter | — | North Dakota |
| 71 | Margaret Simundson | 13 | Daughter | — | North Dakota |
| 72 | Archibald Simundson | 9 | Son | — | North Dakota |
| 73 | Enon Simundson | 5 | Son | — | Minnesota |
| 74 | Sigurdur Anderson | 74 | Head | Farmer | Iceland |
| 75 | Sigurdur H. Anderson | 80 | Wife | — | Iceland |
| 76 | Henry Zarn | 67 | Head | Farmer | Illinois |
| 77 | Minnie J. Zarn | 57 | Wife | — | Minnesota |
| 78 | William G. H. Clark | 42 | Head | Farmer | North Dakota |
| 79 | Hellen May Clark | 37 | Wife | — | Canada English |
| 80 | Martha M. Clark THIS PERSON | 19 | Daughter | Servant | North Dakota |
| 81 | Eva Ann Clark | 16 | Daughter | — | North Dakota |
| 82 | William J. Clark | 15 | Son | Laborer | North Dakota |
| 83 | Manuel R. Clark | 11 | Son | — | North Dakota |
| 84 | Iris A. Clark | 11 | Daughter | — | North Dakota |
| 85 | Ross J. Clark | 7 | Son | — | North Dakota |
| 86 | Ida D. Clark | 4 | Daughter | — | North Dakota |
| 87 | David J. Clark | 2 | Son | — | North Dakota |
| 88 | Eva May Clark | 1 | Daughter | — | North Dakota |
| 89 | Clarence E. Hovey | 37 | Head | Servant | Iowa |
| 90 | Georgiana J. Hovey | 29 | Wife | Farmer | Illinois |
| 91 | Lenora F. Hovey | 5 | Daughter | — | Illinois |
| 92 | Jean C. Hovey | 3 | Daughter | — | Illinois |
| 93 | Edward L. Brook | 39 | Head | Farmer | Canada English |
| 94 | Kittie B. Jewell | 46 | Servant | Servant | Canada English |
| 95 | Kathleen W. Jewell | 11 | — | — | Canada English |
| 96 | Margaret F. Jewell | 8 | — | — | Canada English |
| 97 | Einar J. Eielson | 34 | Head | Farmer | Iceland |
| 98 | Helga Eielson | 80 | Mother | — | Iceland |
| 99 | Laura Eielson | 19 | Niece | — | North Dakota |
| 100 | Gudbrandur Simundson | 31 | Head | Farmer | North Dakota |
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)