MC
Mary Connelly — 1940 US Census Record
Model Tree available1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Mary Connelly across the 1920, 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed), with identified parents Nellie — first a daughter (b.~1883), then head of a 2-person household.
Age 57
b. ~1883
Female
Daughter
Born: Oregon
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| 1935 Residence (City) | Sierra Madre |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
| Township / Ward | Sierra Madre |
| Est. Birth Year | ~1883 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Connelly | Daughter | — | 57 | ~1883 |
| Nellie Huxley | Head | — | 63 | ~1877 |
Census Appearances
1920
Los Angeles, …
Spouse, age 36
Los Angeles, California · implied b. ~1884 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conneally |
| Given Name | Mary G |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Oregon |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1930
Los Angeles, …
Head, age 47
Los Angeles, California · implied b. ~1883 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Conneally |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| Age at First Marriage | 30 |
| Father's Birthplace | New York |
| Mother's Birthplace | California |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 10000 |
| Radio Set | R |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
1940
Los-Angeles-County, California
Daughter, age 57
Los-Angeles-County, California · implied b. ~1883 — 2 household members
| Surname | Connelly |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 57 |
| Marital Status | Widowed |
| Birthplace | Oregon |
| 1935 Residence (City) | Sierra Madre |
| 1935 Residence (County) | Los Angeles |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Oregon |
| Birth Country | United States |
| Birthplace (normalized) | oregon |
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 Connelly across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Nellie Huxley (~0.60 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.6
Mother
Nellie Huxley
b. ~1877
Source mother
● Household
· direct · ~0.6
This person
Anchor record
Mary Connelly
Daughter · 1940 · age 57 · b. ~1883 · California
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
9 people indexed on this census page (nara:1940:m-t0627-00237-01014)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 43 | Marcus A Woodward | 57 | Head | Attorney At Law | Pennsylvania |
| 44 | Margaret C Woodward | 53 | Wife | — | Scotland |
| 45 | Harold R Miller | 25 | Guest | Glazier + Keeper | Montana |
| 46 | Joseph Tavernheimer | 52 | Lodger | Seaman | D.C. |
| 47 | Estelle Church | 55 | Head | — | Ohio |
| 48 | Nellie Huxley | 63 | Head | — | California |
| 49 | Mary Connelly THIS PERSON | 57 | Daughter | — | Oregon |
| 50 | George H Rikeman | 70 | Head | Store Manager | New York |
| 51 | Maude S Rikeman | 61 | Wife | Saleslady | Connecticut |
Pedigree Summary
Mary
Gen 1 · 1 parents
~0.6
Max depth 4 (1900–1950 window)
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)