MK
Mary Keating — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Humboldt-County, California
Our Model Tree links this Mary Keating across the 1930 and 1940 US Censuses in Humboldt-County, California (XGBoost, ~Confirmed) — first a daughter (b.~1928), then head of a 7-person household.
Age 12
b. ~1928
Female
Daughter
Born: California
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Humboldt-County, California |
| Surname | Keating |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Belola Township |
| 1935 Residence (County) | Humboldt |
| Additional Details | |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
| Township / Ward | Belola Township |
| Est. Birth Year | ~1928 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Keating | Daughter | — | 12 | ~1928 |
| Darrel Keating | Son | — | 8 | ~1932 |
| Dorothy Keating | Daughter | — | 15 | ~1925 |
| Thomas Keating | Head | — | 59 | ~1881 |
| Daniel Keating | Son | — | 10 | ~1930 |
| Josephine Keating | Daughter | — | 18 | ~1922 |
| Mary Keating | Spouse | — | 42 | ~1898 |
Census Appearances
1930
Humboldt, California
Daughter, age 2
Humboldt, California · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Keating |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | California |
| Father's Birthplace | California |
| Mother's Birthplace | California |
| Occupation | none |
| Birth State | California |
| Birth Country | United States |
| Birthplace (normalized) | california |
1940
Humboldt-County, California
Daughter, age 12
Humboldt-County, California · implied b. ~1928 — 7 household members
| Surname | Keating |
| Given Name | Mary Ellen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | California |
| 1935 Residence (City) | Belola Township |
| 1935 Residence (County) | Humboldt |
| Highest Grade | 8 |
| 1935 Residence | Same house |
| 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 Keating across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Keating
Daughter · 1940 · age 12 · b. ~1928 · California
★ You are viewing this record
Sibling
Daniel Keating
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Keating
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Josephine Keating
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Darrel Keating
Sibling · 1940 · age 8
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
1940 US Federal Census — Humboldt-County, California
Open full size
1940 US Federal Census — Humboldt-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00208-00159)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John Jr Gage | 16 | Son | Wpa Road | California |
| 42 | Arthur D Steeves | 70 | Head | Powderman | California |
| 43 | Shirley Lola Steeves | 40 | Wife | Seamstress | California |
| 44 | Thomas Keating | 59 | Head | Dairyman | California |
| 45 | Mary R Keating | 42 | Wife | — | California |
| 46 | Josephine Keating | 18 | Daughter | — | California |
| 47 | Dorothy Keating | 15 | Daughter | — | California |
| 48 | Mary Ellen Keating THIS PERSON | 12 | Daughter | — | California |
| 49 | Daniel Keating | 10 | Son | — | California |
| 50 | Darrel Keating | 8 | Son | — | California |
| 51 | Verne Keeley | 35 | Head | — | California |
| 52 | Bertha Keeley | 21 | Wife | — | California |
| 53 | Johnnie Keeley | 9 | Son | — | California |
| 54 | Mildred Keeley | 7 | Daughter | — | California |
| 55 | George Keeley | 6 | Son | — | California |
| 56 | Eugene Keeley | 3 | Son | — | California |
| 57 | Joseph Keeley | 1 | Son | — | California |
| 58 | Jacob Lorensen | 37 | Head | Sawyer | California |
| 59 | Louise Lorensen | 31 | Wife | — | California |
| 60 | Donald Lorensen | 7 | Son | — | California |
| 61 | Mary Anne Lorensen | 2 | Daughter | — | California |
| 62 | Daniel Ingraham | 34 | Head | Locomotive Engineer | California |
| 63 | Elsie B Ingraham | 31 | Wife | — | California |
| 64 | Doris Ingraham | 14 | Daughter | — | California |
| 65 | Joanne Ingraham | 1 | Daughter | — | California |
| 66 | Leonard Detweiler | 27 | Head | Section Hand | Oregon |
| 67 | Edith Detweiler | 24 | Wife | — | California |
| 68 | Thelma Detweiler | 4 | Daughter | — | California |
| 69 | Roy Detweiler | 0 | Son | — | California |
| 70 | Peter Lorensen | 35 | Head | Dairyman | California |
| 71 | Lucille Lorensen | 27 | Wife | — | California |
| 72 | Robert Lorensen | 7 | Son | — | California |
| 73 | Betty Lorensen | 4 | Daughter | — | California |
| 74 | Joe Robella | 29 | Hired man | Laborer | Hawaii |
| 75 | Robert Wakeman | 25 | Hired man | Laborer | Nebraska |
| 76 | Henry C Keefer | 39 | Head | Dairyman | Finland |
| 77 | Lydia Keefer | 45 | Wife | — | Finland |
| 78 | Helen Keefer | 5 | Daughter | — | California |
| 79 | Maurice Hillou | 26 | Head | Spotter | California |
| 80 | Anne Mae Hillou | 33 | Wife | — | California |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)