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John Clancy — 1940 US Census Record

Model Tree available

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

Our Model Tree links this John Clancy across the 1920, 1930 and 1940 US Censuses in San-Francisco-County, California (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1913), then head of a 10-person household.

Age 27 b. ~1913 Male Son Born: California Single

1940 Census Record Details

Census Year1940
LocationSan-Francisco-County, California
SurnameClancy
Given NameJohn M
Relationship to HeadSon
SexM
Color / RaceWhite
Age27
Marital StatusSingle
BirthplaceCalifornia
1935 Residence (City)San Francisco
1935 Residence (County)San Francisco
Additional Details
OccupationApprentice
IndustryPrinter
Class of WorkerPW
Hours Worked40
Income (1939)1800
Highest GradeHs 4
1935 ResidenceSame place
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
OccupationApprentice
Township / WardSan Francisco
Est. Birth Year~1913

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.

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

Name Relation to head Relative to John Age Birth yr
Robert Clancy Son — 18 ~1922
Genev Clancy Daughter — 29 ~1911
Claire Clancy Daughter — 21 ~1919
John Clancy Son — 27 ~1913
Stephen Clancy Son — 19 ~1921
Georgina Clancy Daughter — 29 ~1911
Mary Clancy Spouse — 58 ~1882
Bernice Clancy Daughter — 22 ~1918
Lorraine Clancy Daughter — 16 ~1924
John Clancy Head — 58 ~1882

Census Appearances

1920
San Francisco, …
Son, age 7
San Francisco, California · implied b. ~1913 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Clancy
Given Name John
Relationship to Head son
Sex M
Color / Race White
Age 7
Marital Status Single
Birthplace California
Father's Birthplace California
Mother's Birthplace California
Occupation none
Birth State California
Birth Country United States
Year of Naturalization Yes
Birthplace (normalized) california
1930
San Francisco, …
Son, age 17
San Francisco, California · implied b. ~1913 — 11 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Clancy
Given Name John
Relationship to Head Son
Sex M
Color / Race White
Age 17
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
San-Francisco-County, California
Son, age 27
San-Francisco-County, California · implied b. ~1913 — 10 household members
Surname Clancy
Given Name John M
Relationship to Head Son
Sex M
Color / Race White
Age 27
Marital Status Single
Birthplace California
1935 Residence (City) San Francisco
1935 Residence (County) San Francisco
Occupation Apprentice
Industry Printer
Class of Worker PW
Hours Worked 40
Income (1939) 1800
Highest Grade Hs 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.
Model Tree available
Our Model Tree links John Clancy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Clancy (~0.92 confidence) and father John Clancy (~0.92 confidence) and father John Clancy (~0.92 confidence) and mother Mary Clancy (~0.92 confidence) and mother Mary Clancy (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
John Clancy
b. ~1885
Source father
● Household · direct · ~0.92
Father
John Clancy
b. ~1882
Source father
● Household · direct · ~0.92
Father
John Clancy
b. ~1888
Source father
● Household · direct · ~0.92
Mother
Mary Clancy
b. ~1882
Source mother
● Household · direct · ~0.92
Mother
Mary Clancy
b. ~1883
Source mother
● Household · direct · ~0.92
This person
Anchor record
John Clancy
Son · 1940 · age 27 · b. ~1913 · California
★ You are viewing this record
Sibling
Lorraine Clancy
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genev Clancy
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Stephen Clancy
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Clancy
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Georgina Clancy
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Claire Clancy
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Clancy
Sibling · 1940 · age 22
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 — San-Francisco-County, California Open full size

Page Contents

40 people indexed on this census page (nara:1940:m-t0627-00310-01061)

Line Name Age Relation Occupation Birthplace
41 Dennis B O-Connell 27 Son Driver California
42 Patricia M O-Connell 21 Daughter-in-law General Office California
43 Benjamin F Bragg 26 Lodger Bookkeeper California
44 Mary A Bragg 47 Lodger's Mother — New York
45 Peter A Bruhn 41 Head Fireman California
46 Lorraine M Bruhn 19 Daughter New Worker California
47 Maria Bruhn 68 Mother — California
48 Peter F Bruhn 71 Father — Germany
49 Louis Costello 52 Brother-in-law Painter California
50 Louisa A Costello 44 Sister Cashier California
51 Juanita Costello 18 Niece New Worker California
52 Anna J Buton 86 Head — Michigan
53 Mrs Tina Johnson 55 Hired Hand Housekeeper Norway
54 Wallace Lee Johnson 73 Head — Texas
55 Carrie C Johnson 60 Wife — Illinois
56 Mary E Browne 67 Head — Canada-Eng
57 Morley T Browne 43 Son Clerk North Dakota
58 Grace M Browne 39 Daughter Bookkeeper North Dakota
59 John T Clancy 58 Head Laborer California
60 Mary J Clancy 58 Wife — California
61 Genev J Clancy 29 Daughter Piano Teacher California
62 Georgina Clancy 29 Daughter — California
63 John M Clancy THIS PERSON 27 Son Apprentice California
64 Bernice T Clancy 22 Daughter Waiter California
65 Claire G Clancy 21 Daughter Waitress California
66 Stephen Clancy 19 Son Delivery Boy California
67 Robert E Clancy 18 Son Laborer California
68 Lorraine F Clancy 16 Daughter — California
69 Thomas A Wolfe 55 Head Switch-Man California
70 Elleanor Wolfe 50 Wife — California
71 Neal M Wolfe 21 Son General Office California
72 Madlyne A Wolfe 20 Daughter General Office California
73 Sarah Fraser 87 Mother-in-law — Maine
74 Janet A Stock Holms 42 Head General Office Michigan
75 Margaret Morris 70 Mother — Michigan
76 John Schmidt 78 Head — Germany
77 Petra E Schmidt 66 Wife — Germany
78 Frank S Tozer 47 Head Steam Engineer California
79 Lois J Tozer 44 Wife — Mississippi
80 Frank Jr Tozer 17 Son — California

Search for John Clancy

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Pedigree Summary

John + 7 siblings
Gen 1 · 5 parents ~0.92
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)

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