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Bertha Lewis — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Bradford, Pennsylvania
Our Model Tree links this Bertha Lewis across the 1910 and 1920 US Censuses in Bradford, Pennsylvania (XGBoost, ~Confirmed) — first a daughter (b.~1902), then head of a 10-person household.
Age 18
b. ~1902
Female
Daughter
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Bradford, Pennsylvania |
| Surname | Lewis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Servant |
| Township / Ward | South Creek Township |
| Est. Birth Year | ~1902 |
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 1920 census.
| Name | Relation to head | Relative to Bertha | Age | Birth yr |
|---|---|---|---|---|
| Foster Lewis | Son | — | 20 | ~1900 |
| Asa Lewis | Son | — | 6 | ~1914 |
| Lawrence Lewis | Son | — | 7 | ~1913 |
| Grant Lewis | Head | — | 49 | ~1871 |
| Helen Lewis | Daughter | — | 10 | ~1910 |
| Bertha Lewis | Daughter | — | 18 | ~1902 |
| Minnie Lewis | Spouse | — | 44 | ~1876 |
| Ruth Lewis | Daughter | — | 12 | ~1908 |
| Don Lewis | Son | — | 14 | ~1906 |
| Agnes Lewis | Daughter | — | 4 | ~1916 |
Census Appearances
1910
Bradford, Pennsylvania
Daughter, age 6
Bradford, Pennsylvania · implied b. ~1904 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Bradford, Pennsylvania
Daughter, age 18
Bradford, Pennsylvania · implied b. ~1902 — 10 household members
| Surname | Lewis |
| Given Name | Bertha |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | Servant |
| Industry | Private Family |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Bertha Lewis across 2 US Census years (1910 and 1920) in Bradford, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
Bertha Lewis
Daughter · 1920 · age 18 · b. ~1902 · Pennsylvania
★ You are viewing this record
Sibling
Foster Lewis
Sibling · 1920 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Lewis
Sibling · 1920 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Don Lewis
Sibling · 1920 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Lewis
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Asa Lewis
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Lewis
Sibling · 1920 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Lewis
Sibling · 1920 · age 12
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 — Bradford, Pennsylvania
Open full size
1920 US Federal Census — Bradford, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1541unit:0565)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Alida Rynearson | 42 | Wife | — | New York |
| 52 | Edna L. Rynearson | 14 | Son | — | New York |
| 53 | Bernice L. Rynearson | 9 | Daughter | — | New York |
| 54 | Harriett L. West | 58 | Sister | Farmer | Pennsylvania |
| 55 | Hugh M. Berry | 25 | Head | Farmer | Pennsylvania |
| 56 | Lena M. Berry | 23 | Wife | — | Pennsylvania |
| 57 | Norman Willard Berry | 0 | Son | — | Pennsylvania |
| 58 | Scott Spencer | 34 | Head | Farmer | Pennsylvania |
| 59 | Eva Spencer | 32 | Wife | — | Pennsylvania |
| 60 | Anna Spencer | 11 | Daughter | — | Pennsylvania |
| 61 | Floyd Spencer | 8 | Son | — | Pennsylvania |
| 62 | Rena Spencer | 5 | Daughter | — | Pennsylvania |
| 63 | Calvin S. Sargent | 43 | Head | Farmer | Pennsylvania |
| 64 | Goldia V. Sargent | 35 | Wife | — | Pennsylvania |
| 65 | Leonard R. Sargent | 1 | Son | — | Pennsylvania |
| 66 | Claude S. Harkness | 43 | Head | Farmer | Pennsylvania |
| 67 | Eva M. Harkness | 41 | Wife | — | Pennsylvania |
| 68 | Hazel Harkness | 9 | Daughter | — | Pennsylvania |
| 69 | Gladys Harkness | 6 | Daughter | — | Pennsylvania |
| 70 | Henrietta Harkness | 3 | Daughter | — | Pennsylvania |
| 71 | Grant Lewis | 49 | Head | Farmer | Pennsylvania |
| 72 | Minnie Lewis | 44 | Wife | — | Pennsylvania |
| 73 | Foster E. Lewis | 20 | Son | Farmer | Pennsylvania |
| 74 | Bertha Lewis THIS PERSON | 18 | Daughter | Servant | Pennsylvania |
| 75 | Don G. Lewis | 14 | Son | — | Pennsylvania |
| 76 | Ruth Lewis | 12 | Daughter | — | Pennsylvania |
| 77 | Helen Lewis | 10 | Daughter | — | Pennsylvania |
| 78 | Lawrence Lewis | 7 | Son | — | Pennsylvania |
| 79 | Asa Lewis | 6 | Son | — | Pennsylvania |
| 80 | Agnes A. Lewis | 4 | Daughter | — | Pennsylvania |
| 81 | George P. O'Leary | 49 | Head | Farmer | Pennsylvania |
| 82 | Effie M. O'Leary | 38 | Wife | — | Pennsylvania |
| 83 | Marie M. O'Leary | 17 | Daughter | — | Pennsylvania |
| 84 | James E. O'Leary | 13 | Son | — | Pennsylvania |
| 85 | Anna N. O'Leary | 11 | Daughter | — | Pennsylvania |
| 86 | James E. Pettingill | 22 | Head | Farmer | Pennsylvania |
| 87 | Birdina E. Pettingill | 24 | Wife | — | Pennsylvania |
| 88 | Lenore M. Pettingill | 2 | Daughter | — | Pennsylvania |
| 89 | Samuel E. Patterson | 60 | Head | Farmer | Pennsylvania |
| 90 | Jessie E. Patterson | 59 | Wife | — | Ohio |
| 91 | Arthur E. Mason | 34 | Head | Farmer | Pennsylvania |
| 92 | Bessie L. Mason | 34 | Wife | — | Pennsylvania |
| 93 | Elda B. Mason | 10 | Daughter | — | Pennsylvania |
| 94 | Glenn D. Mason | 7 | Son | — | Pennsylvania |
| 95 | Linn B. Mason | 2 | Son | — | Pennsylvania |
| 96 | Fred R. Mason | 30 | Head | Farmer | Pennsylvania |
| 97 | Emma C. Mason | 31 | Wife | — | Pennsylvania |
| 98 | Hilda G. Mason | 9 | Daughter | — | Pennsylvania |
| 99 | John D. Mason | 7 | Son | — | Pennsylvania |
| 100 | Doris M. Mason | 5 | Daughter | — | Pennsylvania |
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)