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Robert Ellis — 1920 US Census Record

Model Tree available

1920 United States Federal Census · Cortland, New York

Our Model Tree links this Robert Ellis across the 1900, 1910 and 1920 US Censuses in Cortland, New York (XGBoost, ~Confirmed), with identified parents James & James — first a son (b.~1900), then head of a 4-person household.

Age 20 b. ~1900 Male Son Born: New York Single

1920 Census Record Details

Census Year1920
LocationCortland, New York
SurnameEllis
Given NameRobert M
Relationship to Headson
SexM
Color / RaceWhite
Age20
Marital StatusSingle
BirthplaceNew York
Father's BirthplaceNew York
Mother's BirthplaceOhio
Additional Details
Occupationapprentice
Industryauto forging mfg. Co.
Class of WorkerW
Can ReadYes
Can WriteYes
Speaks EnglishYes
Birth StateNew York
Birth CountryUnited States
Birthplace (normalized)new york
OccupationApprentice
Township / WardCortland City
Est. Birth Year~1900

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.

4 people recorded at the same address in the 1920 census.

Name Relation to head Relative to Robert Age Birth yr
James Ellis Head — 59 ~1861
Lloyd Ellis Son — 23 ~1897
Robert Ellis Son — 20 ~1900
Martha Ellis Spouse — 45 ~1875

Census Appearances

1900
Cortland, New …
Son, age 1
Cortland, New York · implied b. ~1899 — 4 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Ellis
Given Name Robert
Relationship to Head Son
Sex M
Color / Race White
Age 1
Marital Status Single
Birthplace New York
Birth Month Mar
Birth Year 1899
Father's Birthplace New York
Mother's Birthplace Ohio
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1910
Cortland, New …
Son, age 11
Cortland, New York · implied b. ~1899 — 6 household members
●  Primary link · ~Confirmed · 2 sources
XGBoost Household
Surname Ellis
Given Name Robert M
Relationship to Head Son
Sex M
Color / Race White
Age 11
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Ohio
Birth State New York
Birth Country United States
Birthplace (normalized) new york
1920
Cortland, New …
Son, age 20
Cortland, New York · implied b. ~1900 — 4 household members
Surname Ellis
Given Name Robert M
Relationship to Head son
Sex M
Color / Race White
Age 20
Marital Status Single
Birthplace New York
Father's Birthplace New York
Mother's Birthplace Ohio
Occupation apprentice
Industry auto forging mfg. Co.
Class of Worker W
Can Read Yes
Can Write Yes
Speaks English Yes
Birth State New York
Birth Country United States
Birthplace (normalized) new york

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 Robert Ellis across 3 US Census years (1900, 1910 and 1920) in Cortland, New York, using XGBoost record linkage. Identified parents: father James Ellis (~0.92 confidence) and father James Ellis (~0.92 confidence) and father John Ellis (~0.92 confidence) and mother Martha Ellis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1 Parents confidence ≈ 0.92
Father
James Ellis
b. ~1860
Source father
● Household · direct · ~0.92
Father
James Ellis
b. ~1861
Source father
● Household · direct · ~0.92
Father
John Ellis
b. ~1861
Source father
● Household · direct · ~0.92
Mother
Martha Ellis
b. ~1874
Source mother
● Household · direct · ~0.92
This person
Anchor record
Robert Ellis
Son · 1920 · age 20 · b. ~1900 · New York
★ You are viewing this record
Sibling
Lloyd Ellis
Sibling · 1920 · age 23
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

1920 US Federal Census — Cortland, New York Open full size

Page Contents

50 people indexed on this census page (ia:1920:14thcensusofpopu1096unit:0203)

Line Name Age Relation Occupation Birthplace
51 Henry Coon 47 head Laborer New York
52 Katherine Coon 52 wife None Pennsylvania
53 Claude P Canfield 24 head Joiner New York
54 Evelyn V Canfield 22 wife None New York
55 Claude F Canfield 2 son — New York
56 Joseph F Islover 32 head Yes England
57 Alice Islover 31 wife Yes England
58 Alice Mary Islover 6 daughter Yes New York
59 Andrew Jennings 59 head Inspector New York
60 Ethel Jennings 35 wife Yes Mississippi
61 Addison Jennings 15 son None New York
62 Otis Shapley 33 head Fireman New York
63 Anna Shapley 33 wife Yes New York
64 Kathryn Shapley 5 daughter — New York
65 Adelbert Ransom 78 head None New York
66 Emma M Ransom 72 wife None Ohio
67 Edyth E Ransom 39 daughter Teacher New York
68 Nellie Totman 49 head Practical Nurse New York
69 Wm Dowd 30 head Yes New York
70 Lois Dowd 23 wife None New York
71 Dorothy Dowd 2 daughter — New York
72 Lorraine Dowd 0 daughter — New York
73 Elizabeth Pickett 63 lodger Yes England
74 Elizabeth Jennings 66 head Yes New York
75 Henry D Van Brocklin 26 head Record Clerk New York
76 Myrtle Van Brocklin 22 wife None New York
77 Mary C Rowley 75 head None Wisconsin
78 Ruth S Whitmarsh 27 Companion None New York
79 John C Robinson 41 head Sheet Metal Worker New York
80 Emma Robinson 36 wife Mangle Operator New York
81 Nellie Louise Robinson 11 daughter None New York
82 James Ellis 59 head Yes New York
83 Martha A Ellis 45 wife None Ohio
84 Lloyd L Ellis 23 son Milk Dealer New York
85 Robert M Ellis THIS PERSON 20 son Apprentice New York
86 Frank S Morey 27 head Mechanic New York
87 Marjorie R Morey 25 wife None New York
88 Madeline E Morey 2 daughter — New York
89 Mercy J Metzger 15 Sister-in-law None New York
90 Chas E Mitchell 67 head Laundryman New York
91 Mary Mitchell 58 wife Laundress New York
92 George Darling 50 head None New York
93 Evelyn Darling 48 wife Waitress New York
94 Leo Darling 25 son Fireman New York
95 Harold Darling 17 son Laborer New York
96 Arline Darling 14 daughter None New York
97 Ethelyn Darling 8 daughter None New York
98 Arthur J Brown 45 head Laborer New York
99 Sarah Brown 61 mother None New York
100 Clifford Clifford 21 boarder Teamster New York

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Pedigree Summary

Robert + 1 sibling
Gen 1 · 4 parents ~0.92
Max depth 4 (1900–1950 window)

About This Record & Model Tree

This record was independently indexed by YourRoots from the 1920 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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