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Mary Lowe — 1940 US Census Record

Linked across censuses

1940 United States Federal Census · San-Francisco-County, California

Our Model Tree links this Mary Lowe across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed) — first a spouse (b.~1888), then head of a 3-person household.

Age 52 b. ~1888 Female Spouse Born: Ireland Married

1940 Census Record Details

Census Year1940
LocationSan-Francisco-County, California
SurnameLowe
Given NameMary
Relationship to HeadWife
SexF
Color / RaceWhite
Age52
Marital StatusMarried
BirthplaceIreland
1935 Residence (City)San Francisco
1935 Residence (County)San Francisco
Naturalization StatusNaturalized
Additional Details
Industry0
Highest GradeHs 2
1935 ResidenceSame place
Birth CountryIreland
Birthplace (normalized)ireland
Township / WardSan Francisco
Est. Birth Year~1888

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.

3 people recorded at the same address in the 1940 census.

Name Relation to head Relative to Mary Age Birth yr
Henry Lowe Head — 47 ~1893
John Lowe Son — 21 ~1919
Mary Lowe Spouse — 52 ~1888

Census Appearances

1920
San Francisco, …
Spouse, age 31
San Francisco, California · implied b. ~1889 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lowe
Given Name Mary
Relationship to Head wife
Sex F
Color / Race White
Age 31
Marital Status Married
Birthplace Ireland
Year of Immigration 1906
Naturalization Status Naturalized
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read Yes
Can Write Yes
Speaks English Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1930
San Francisco, …
Spouse, age 41
San Francisco, California · implied b. ~1889 — 3 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Lowe
Given Name Mary E
Relationship to Head Wife
Sex F
Color / Race White
Age 41
Marital Status Married
Birthplace Ireland
Naturalization Status Naturalized
Year of Immigration 1904
Age at First Marriage 29
Father's Birthplace Ireland
Mother's Birthplace Ireland
Can Read/Write Yes
Mother Tongue English
Birth Country Ireland
Birthplace (normalized) ireland
1940
San-Francisco-County, California
Spouse, age 52
San-Francisco-County, California · implied b. ~1888 — 3 household members
Surname Lowe
Given Name Mary
Relationship to Head Wife
Sex F
Color / Race White
Age 52
Marital Status Married
Birthplace Ireland
1935 Residence (City) San Francisco
1935 Residence (County) San Francisco
Naturalization Status Naturalized
Industry 0
Highest Grade Hs 2
1935 Residence Same place
Birth Country Ireland
Birthplace (normalized) ireland

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.
Linked across censuses
Our Model Tree links Mary Lowe across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lowe
Spouse · 1940 · age 52 · b. ~1888 · 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 — San-Francisco-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00308-00702)

Line Name Age Relation Occupation Birthplace
41 Isabel Ogren 60 Mother — California
42 Rudolph Ogren 18 Son — California
43 Ernest Sousa 29 Boarder Laborer California
44 Bertha Johnson 43 Head — So Dakota
45 Edward Day 60 Head Supervisor California
46 Leo Hicks 43 Head Laborer Idaho
47 Renee Hicks 32 Wife — California
48 Renee Hicks 13 Daughter — California
49 Eugene Muzzy 48 Head Baker Germany
50 Roberta Muzzy 50 Wife — California
51 Elizabeth Carstens 52 Sister — California
52 Gertrude Morlock 64 Mother — California
53 Katherine Collins 52 Head — California
54 Anna Collins 50 Sister — California
55 Agnes Collins 47 Sister — California
56 Eleonore Collins 44 Sister Accountant California
57 Walter Keough 46 Head Salesman California
58 Aileen Keough 41 Wife Buyer California
59 Nellie Jennings 70 Head — Ireland
60 Nellie Minneck 60 Head — Wisconsin
61 Paul Minneck 26 Son Accounting California
62 Manuel Vallejo 64 Lodger Conductor California
63 John Bradley 49 Head Engineer Ireland
64 Mary Bradley 48 Wife — California
65 Henry Lowe 47 Head Janitor Ireland
66 Mary Lowe THIS PERSON 52 Wife — Ireland
67 John Lowe 21 Son Messenger California
68 Josephine Anderson 69 Head — Ireland
69 Fred Parker 46 Head Janitor Indiana
70 Laura Parker 45 Wife — Indiana
71 Amy Parker 17 Daughter — Illinois
72 William Hay 35 Head Ironworker Chicago
73 Ida Mccormick 59 Mother — Canada
74 Teddy Hay 6 Son — California
75 William Hay 10 Son — California
76 Minerva Snow 38 Head — W. Virginia
77 Betty Snow 18 Daughter — California
78 John Cook 57 Head Plummer California
79 Matilda Cook 50 Wife — California
80 Dorothy Cook 22 Daughter Comptometer California

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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)

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