MC
Martha Campbell — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Waldo, Maine
Our Model Tree links this Martha Campbell across the 1920 and 1930 US Censuses in Waldo, Maine (XGBoost, ~Confirmed) — first a spouse (b.~1886), then head of a 7-person household.
Age 44
b. ~1886
Female
Spouse
Born: Maine
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Waldo, Maine |
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 23 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Township / Ward | Searsport Town |
| Est. Birth Year | ~1886 |
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 |
|---|---|---|---|---|
| Evelyn Campbell | Daughter | — | 14 | ~1916 |
| Martha Campbell | Spouse | — | 44 | ~1886 |
| Harold Campbell | Son | — | 18 | ~1912 |
| Robert Campbell | Son | — | 12 | ~1918 |
| Alice Campbell | Daughter | — | 16 | ~1914 |
| Donald Campbell | Son | — | 10 | ~1920 |
| Herbert Campbell | Head | — | 52 | ~1878 |
Census Appearances
1920
Waldo, Maine
Spouse, age 36
Waldo, Maine · implied b. ~1884 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Martha E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Waldo, Maine
Spouse, age 44
Waldo, Maine · implied b. ~1886 — 7 household members
| Surname | Campbell |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 44 |
| Marital Status | Married |
| Birthplace | Maine |
| Age at First Marriage | 23 |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Campbell across 2 US Census years (1920 and 1930) in Waldo, Maine, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Campbell
Spouse · 1930 · age 44 · b. ~1886 · Maine
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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 — Waldo, Maine
Open full size
1930 US Federal Census — Waldo, Maine
Page Contents
50 people indexed on this census page (ia:1930:15thcensus840unit:0327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | George W. Stock | 50 | Head | Farmer | Maine |
| 52 | Mabel M. Stock | 48 | Wife | — | New York |
| 53 | Lloyd G. Stock | 12 | Adopted Son | — | Maine |
| 54 | Arthur Thurston | 8 | Boarder | — | Maine |
| 55 | Charles J. Page | 21 | Boarder | — | Maine |
| 56 | George W. Foot | 51 | Head | Laborer | Maine |
| 57 | Hattie A. Foot | 55 | Wife | — | Maine |
| 58 | Gladys M. Foot | 20 | Daughter | — | Maine |
| 59 | Herbert R. Rollins | 67 | Head | Farmer | Maine |
| 60 | Eusta M. Rollins | 57 | Wife | — | Maine |
| 61 | Ira A. Bean | 47 | Head | Farmer | Maine |
| 62 | Isabelle M. Bean | 49 | Wife | — | Maine |
| 63 | Lillian Bean | 12 | Daughter | — | Maine |
| 64 | Andrew Cunningham | 72 | Boarder | — | Maine |
| 65 | Albert Rose | 20 | Boarder | — | Maine |
| 66 | Annie Isaac | 70 | Boarder | — | Maine |
| 67 | Charles S. Dickerson | 41 | Head | Farmer | Maine |
| 68 | Grace M. Dickerson | 42 | Wife | — | Maine |
| 69 | Byron S. Wood | 78 | Head | — | Maine |
| 70 | Edna S. Wood | 42 | Daughter | — | Maine |
| 71 | Lura L. Wood | 34 | Daughter | — | Maine |
| 72 | Herbert S. Campbell | 52 | Head | Farmer | Maine |
| 73 | Martha Campbell THIS PERSON | 44 | Wife | — | Maine |
| 74 | Harold S. Campbell | 18 | Son | — | Maine |
| 75 | Alice M. Campbell | 16 | Daughter | — | Maine |
| 76 | Evelyn M. Campbell | 14 | Daughter | — | Maine |
| 77 | Robert S. Campbell | 12 | Son | — | Maine |
| 78 | Donald Campbell | 10 | Son | — | Maine |
| 79 | C. S. Richards | 41 | Head | Farmer | Maine |
| 80 | Marie M. Richards | 36 | Wife | — | Maine |
| 81 | Ethel Richards | 15 | Daughter | — | Maine |
| 82 | Bernice L. Richards | 13 | Daughter | — | Maine |
| 83 | Richard L. Richards | 12 | Son | — | Maine |
| 84 | Christine S. Richards | 11 | Daughter | — | Maine |
| 85 | Ruth E. Richards | 8 | Daughter | — | Maine |
| 86 | Robert L. Richards | 6 | Son | — | Maine |
| 87 | Mary E. Richards | 5 | Daughter | — | Maine |
| 88 | Maria A. Burgess | 77 | Head | — | Maine |
| 89 | George H. Hammond | 53 | Head | Farmer | Maine |
| 90 | Alice M. Hammond | 42 | Sister | — | Maine |
| 91 | Florence M. Hammond | 40 | Sister | — | Maine |
| 92 | Lillian M. Hammond | 38 | Sister | — | Maine |
| 93 | William Woods | 50 | Head | Carpenter | Maine |
| 94 | Clara Bartlett | 12 | Boarder | — | Maine |
| 95 | William H. Ripley | 75 | Head | Farmer | Maine |
| 96 | Eleanor H. Ripley | 71 | Wife | — | Maine |
| 97 | William W. Ripley | 47 | Son | Laborer | Maine |
| 98 | Harriett E. Ripley | 30 | Daughter-in-law | — | Maine |
| 99 | Fred L. Ripley | 7 | Grandson | — | Maine |
| 100 | Richard Ripley | 4 | Grandson | — | Maine |
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)