MC
Martha Clark — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Martha Clark across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 12-person household.
Age 6
b. ~1924
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Clark |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Additional Details | |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1924 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Florence Clark | Daughter | — | 19 | ~1911 |
| Geraldine Clark | Daughter | — | 2 | ~1928 |
| Doris Clark | Daughter | — | 12 | ~1918 |
| Wallie Clark | Daughter | — | 18 | ~1912 |
| June Clark | Daughter | — | 1 | ~1929 |
| Martha Clark | Daughter | — | 6 | ~1924 |
| Lucy Clark | Daughter | — | 11 | ~1919 |
| Hubert Clark | Head | — | 42 | ~1888 |
| George Clark | Son | — | 9 | ~1921 |
| Cecil Clark | Son | — | 16 | ~1914 |
| Raymond Clark | Son | — | 4 | ~1926 |
| Jayne Clark | Spouse | — | 40 | ~1890 |
Census Appearances
1930
Los Angeles, …
Daughter, age 6
Los Angeles, California · implied b. ~1924 — 12 household members
| Surname | Clark |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Daughter, age 16
Los-Angeles-County, California · implied b. ~1924 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Clarke |
| Given Name | Martha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Martha Clark
Daughter · 1930 · age 6 · b. ~1924 · California
★ You are viewing this record
Sibling
Doris Clark
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Geraldine Clark
Sibling · 1930 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
George Clark
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucy Clark
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Raymond Clark
Sibling · 1930 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecil Clark
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Clark
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Wallie Clark
Sibling · 1930 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Clark
Sibling · 1930 · age 1
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 — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
46 people indexed on this census page (ia:1930:californiacensus00reel138:0881)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Hubert Clark | 42 | Head | Salesman | England |
| 52 | Jayne Clark | 40 | Wife | — | England |
| 53 | Florence Clark | 19 | Daughter | Mechanic | California |
| 54 | Wallie Clark | 18 | Daughter | — | California |
| 55 | Cecil Clark | 16 | Son | Trimmer | California |
| 56 | Doris Clark | 12 | Daughter | — | California |
| 57 | Lucy Clark | 11 | Daughter | — | California |
| 58 | George Clark | 9 | Son | — | California |
| 59 | Martha Clark THIS PERSON | 6 | Daughter | — | California |
| 60 | Raymond Clark | 4 | Son | — | California |
| 61 | Geraldine Clark | 2 | Daughter | — | California |
| 62 | June Clark | 1 | Daughter | — | California |
| 65 | James A Mcnamara | 27 | Head | Book Binder | Massachusetts |
| 66 | Louise Mcnamara | 22 | Wife | — | Texas |
| 67 | James Mcnamara | 0 | Son | — | California |
| 68 | John J Mcnamara | 56 | Lady | — | England |
| 69 | Catherine Mcnamara | 52 | Mother | — | New York |
| 70 | Daniel J Mcnamara | 24 | Brother | Salesman | New Hampshire |
| 71 | John Mcnamara | 21 | Brother | Clerk | California |
| 72 | Miles Leavens | 34 | Head | Technician Sound | Illinois |
| 73 | Luna F Leavens | 31 | Wife | — | Indiana |
| 74 | Doris Leavens | 10 | Daughter | — | California |
| 75 | Douglas Leavens | 7 | Son | — | California |
| 76 | James C Clark | 47 | Head | Carpenter | Indiana |
| 77 | Lulu Clark | 45 | Wife | — | Utah |
| 78 | Leslie Clark | 22 | Son | Artist | Utah |
| 79 | Thomas Clark | 20 | Son | Clerk | Utah |
| 80 | Lewis Clark | 18 | Son | Salesman | Utah |
| 81 | Hubert Clark | 17 | Son | Salesman | Utah |
| 82 | Marcel Clark | 15 | Daughter | — | Utah |
| 83 | Eloise Clark | 13 | Daughter | — | Utah |
| 84 | Royal Clark | 11 | Son | — | Utah |
| 85 | James Clark | 10 | Son | — | Idaho |
| 86 | Hal Clark | 8 | Son | — | Utah |
| 87 | Dudley Clark | 6 | Son | — | California |
| 88 | Angenora Clark | 4 | Daughter | — | California |
| 89 | Clinton Clark | 1 | Son | — | California |
| 90 | Martin Kilgore | 49 | Head | Salesman | Texas |
| 91 | Liza M Kilgore | 46 | Wife | — | Oklahoma |
| 92 | Ray Kilgore | 23 | Son | Salesman | Texas |
| 93 | Byron Kilgore | 19 | Son | Salesman | Texas |
| 94 | Charles Kilgore | 17 | Son | Salesman | Texas |
| 95 | Ellis Kilgore | 15 | Son | — | California |
| 96 | Lydrick Kilgore | 12 | Son | — | California |
| 97 | Paul Kilgore | 9 | Son | — | California |
| 98 | Robert Kilgore | 5 | Son | — | California |
Related Census Records
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)