MH
Mary Harding — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Harding across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 12-person household.
Age 1
b. ~1929
Female
Daughter
Born: California
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Harding |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1929 |
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 |
|---|---|---|---|---|
| Lawrence Harding | Son | — | ~1930 | |
| Margaret Harding | Daughter | — | 13 | ~1917 |
| Richard Harding | Son | — | 7 | ~1923 |
| Lillian Harding | Daughter | — | 5 | ~1925 |
| Charles Harding | Son | — | 17 | ~1913 |
| James Harding | Son | — | 3 | ~1927 |
| Robert Harding | Son | — | 11 | ~1919 |
| Frederick Harding | Son | — | 15 | ~1915 |
| Mary Harding | Daughter | — | 1 | ~1929 |
| Charles Harding | Head | — | 40 | ~1890 |
| Lillian Harding | Spouse | — | 38 | ~1892 |
| Barbara Harding | Daughter | — | 9 | ~1921 |
Census Appearances
1930
Los Angeles, …
Daughter, age 1
Los Angeles, California · implied b. ~1929 — 12 household members
| Surname | Harding |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Los-Angeles-County, California
Other, age 11
Los-Angeles-County, California · implied b. ~1929 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hardin |
| Given Name | Margaret A. |
| Relationship to Head | Grandchild |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Los Angeles |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | No 4 |
| 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 Mary Harding across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Harding
Daughter · 1930 · age 1 · b. ~1929 · California
★ You are viewing this record
Sibling
Frederick Harding
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Harding
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Harding
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Harding
Sibling · 1930 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lillian Harding
Sibling · 1930 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Harding
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Harding
Sibling · 1930 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Harding
Sibling · 1930 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Harding
Sibling · 1930 · age 13
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
50 people indexed on this census page (ia:1930:californiacensus00reel134rs:0225)
| Line | Name | Age | Relation | Birthplace |
|---|---|---|---|---|
| 1 | Gary C Hill | 50 | Head | Tennessee |
| 2 | Katherine Hill | 25 | Daughter | Illinois |
| 3 | Julia Sherwood | 50 | Head-H | Canada-English |
| 4 | Jean Sherwood | 22 | Daughter | Canada-English |
| 5 | Selma Magnus | 61 | Head | Germany |
| 6 | Rosa Magnus | 58 | Sister | Germany |
| 7 | F Martin | 53 | Head | New York |
| 8 | Mildred L Martin | 53 | Wife | New York |
| 9 | Warren Lockwood | 53 | Head | New York |
| 10 | Helen Lockwood | 50 | Wife | New York |
| 11 | Helen Lockwood | 21 | Daughter | New York |
| 12 | Warren Lockwood | 19 | Son | New York |
| 13 | Mary Lockwood | 17 | Daughter | New York |
| 14 | Jean Lockwood | 15 | Daughter | New York |
| 15 | Katherine Lockwood | 13 | Daughter | New York |
| 16 | Kurt Lockwood | 45 | Head | Minnesota |
| 17 | Mary Lockwood | 40 | Wife | Minnesota |
| 18 | Robert Lockwood | 18 | Son | Minnesota |
| 19 | Barbara Lockwood | 16 | Daughter | Minnesota |
| 20 | Jean Lockwood | 14 | Daughter | Minnesota |
| 21 | Mildred Lockwood | 12 | Daughter | Minnesota |
| 22 | Adeline Lockwood | 10 | Daughter | Minnesota |
| 23 | Kurt Lockwood | 8 | Son | Minnesota |
| 24 | Janet Lockwood | 6 | Daughter | Minnesota |
| 25 | Hilding Lindahl | 42 | Head | Sweden |
| 26 | Rosalie Lindahl | 40 | Wife | Sweden |
| 27 | Eleanor Lindahl | 20 | Daughter | Illinois |
| 28 | Jean Lindahl | 18 | Daughter | Illinois |
| 29 | James P Martin | 46 | Head | Canada-English |
| 30 | Irene Martin | 46 | Wife | New York |
| 31 | Arthur Martin | 31 | Head | Missouri |
| 32 | Marguerite Martin | 27 | Wife | Missouri |
| 33 | Arthur Martin | 2 | Son | California |
| 34 | Jesse Harvey | 64 | Head | England |
| 35 | Emma Harvey | 35 | Daughter | California |
| 36 | Emma Harvey | 32 | Daughter | California |
| 37 | Isaac Fowler | 58 | Head | New York |
| 38 | Julia M Fowler | 31 | Daughter | Ohio |
| 39 | Charles Harding | 40 | Head | California |
| 40 | Lillian Harding | 38 | Wife | California |
| 41 | Charles Harding | 17 | Son | California |
| 42 | Frederick Harding | 15 | Son | California |
| 43 | Margaret Harding | 13 | Daughter | California |
| 44 | Robert Harding | 11 | Son | California |
| 45 | Barbara Harding | 9 | Daughter | California |
| 46 | Richard Harding | 7 | Son | California |
| 47 | Lillian Harding | 5 | Daughter | California |
| 48 | James Harding | 3 | Son | California |
| 49 | Mary Harding THIS PERSON | 1 | Daughter | California |
| 50 | Lawrence Harding | 0 | Son | California |
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)