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Mildred Long — 1930 US Census Record

Model Tree available

1930 United States Federal Census · San Francisco, California

Our Model Tree links this Mildred Long across the 1910, 1920 and 1930 US Censuses in San Francisco, California (XGBoost, ~Confirmed), with identified parents Henry & Percy — first a daughter (b.~1909), then head of a 5-person household.

Age 21 b. ~1909 Female Daughter Born: California Single

1930 Census Record Details

Census Year1930
LocationSan Francisco, California
SurnameLong
Given NameMildred
Relationship to HeadDaughter
SexF
Color / RaceWhite
Age21
Marital StatusSingle
BirthplaceCalifornia
Father's BirthplaceCalifornia
Mother's BirthplaceCalifornia
Additional Details
Can Read/WriteYes
Birth StateCalifornia
Birth CountryUnited States
Birthplace (normalized)california
Township / WardSan Francisco
Est. Birth Year~1909

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.

5 people recorded at the same address in the 1930 census.

Name Relation to head Relative to Mildred Age Birth yr
Mildred Long Daughter — 21 ~1909
Nellie Noel Other — 45 ~1885
Dorothy Noel Other — 17 ~1913
Minnie Long Spouse — 47 ~1883
Henry Long Head — 60 ~1870

Census Appearances

1910
San Francisco, …
Daughter, age
San Francisco, California · implied b. ~1910 — 9 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Long
Given Name Mildred S
Relationship to Head Daughter
Sex F
Color / Race White
Age 0
Marital Status Single
Birthplace California
Father's Birthplace California
Mother's Birthplace California
Birth State California
Birth Country United States
Birthplace (normalized) california
1920
San Francisco, …
Daughter, age 11
San Francisco, California · implied b. ~1909 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Long
Given Name Mildred Sexton
Relationship to Head daughter
Sex F
Color / Race White
Age 11
Marital Status Single
Birthplace California
Father's Birthplace California
Mother's Birthplace California
Occupation none
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State California
Birth Country United States
Birthplace (normalized) california
1930
San Francisco, …
Daughter, age 21
San Francisco, California · implied b. ~1909 — 5 household members
Surname Long
Given Name Mildred
Relationship to Head Daughter
Sex F
Color / Race White
Age 21
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

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 Mildred Long across 3 US Census years (1910, 1920 and 1930) in San Francisco, California, using XGBoost record linkage. Identified parents: father Henry Long (~0.92 confidence) and father Percy Long (~0.92 confidence) and father Wm Long (~0.82 confidence) and mother Mary Long (~0.82 confidence) and mother Emma Long (~0.92 confidence) and mother Emma Long (~0.92 confidence) and mother Minnie Long (~0.92 confidence). The pedigree spans 2 generations with 7 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.89
Father
Henry Long
b. ~1870
Source father
● Household · direct · ~0.92
Father
Percy Long
b. ~1871
Source father
● Household · direct · ~0.92
Father
Wm Long
b. ~1831
Source father>father
● Household · direct · ~0.82
Mother
Mary Long
b. ~1836
Source father>mother
● Household · direct · ~0.82
Mother
Emma Long
b. ~1876
Source mother
● Household · direct · ~0.92
Mother
Emma Long
b. ~1873
Source mother
● Household · direct · ~0.92
Mother
Minnie Long
b. ~1883
Source mother
● Household · direct · ~0.92
This person
Anchor record
Mildred Long
Daughter · 1930 · age 21 · b. ~1909 · California
★ You are viewing this record
Confirmed / household (~0.90+) Probable / derived (~0.65–0.89) Candidate (<0.65, unverified)

Original Census Page

1930 US Federal Census — San Francisco, California Open full size

Page Contents

48 people indexed on this census page (ia:1930:californiacensus00reel202:0651)

Line Name Age Relation Occupation Birthplace
1 Emanuel Mayer 44 Head Furrier California
2 Beckley Mayer 42 Wife — California
3 Sarah Mayer 14 Daughter — California
4 Margaret Mayer 10 Daughter — California
5 Alma Grant 43 Maid Housework Sweden
6 W. Rust-Lanning 50 Head Electrical Engineer Pennsylvania
7 M. Rust-Lanning 32 Wife — Maine
8 Grant Lanning 22 Son Salesman Washington
9 Milton Lanning 16 Son — Washington
10 Geo. H. Leonard 48 Head Salesman California
11 Alice Leonard 34 Wife — Washington
12 Ruth Leonard 9 Daughter — Oregon
13 Henry Long 60 Head Attorney California
14 Minnie J. Long 47 Wife — California
15 Mildred Long THIS PERSON 21 Daughter — California
16 Nellie Noel 45 Sister-in-law — California
17 Dorothy Noel 17 Niece — California
18 Geo. W. Fye 73 Head — California
19 Gertrude Wallace Fye 40 Daughter — California
20 Wallace Fye 18 Grandson — California
21 Anthony Fye 15 Grandson — California
22 Arthur Maitland 50 Maid Housework Sweden
23 Katherine Vandry 57 Maid — Scotland
24 Henry H. Gutterson 50 Head Architect California
25 Edith L. Gutterson 37 Wife — California
26 Herbert A. Gutterson 11 Son — California
27 Jane Gutterson 45 Servant Maid Ireland
28 John Knobel 54 Head Merchant Germany
29 Sophia Knobel 53 Wife — California
30 Alice Knobel 24 Daughter — California
31 Edward Lindsey 70 Head — Wisconsin
32 Agnes Lindsey 64 Wife — Canada E.
33 Ruth Lindsey 21 Daughter — California
34 Henry J. Quanchi 30 Head Clerk California
35 Alice Quanchi 45 Wife — California
36 Henry Quanchi 12 Son — California
37 Virginia Quanchi 5 Daughter — California
38 Emma Quanchi 71 Mother — Switzerland
39 Muriel Mcrae 40 Boarder Nurse Canada
40 Solon Solomon 24 Boarder Clerk Washington
41 Marila Small 45 Boarder — California
42 Ruth Small 31 Boarder — California
43 Baxter 51 Boarder Civil Engineer California
44 Thomas Jones 35 Boarder Accountant England
45 Henry Spalding 21 Boarder Clerk England
46 Robert Strickland 14 Boarder — California
47 John Bates 24 Boarder Salesman California
48 Madeline Alice Wright 76 Boarder — Illinois

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Pedigree Summary

Mildred
Gen 1 · 5 parents ~0.92
Gen 2 · 2 grandparents ~0.82
Max depth 4 (1900–1950 window)

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)

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