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John Summers — 1920 US Census Record
Model Tree available1920 United States Federal Census · Frederick, Maryland
Our Model Tree links this John Summers across the 1910, 1920 and 1930 US Censuses in Frederick, Maryland (XGBoost, ~Confirmed), with identified parents Harry & Mary — first a son (b.~1907), then head of a 7-person household.
Age 13
b. ~1907
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Frederick, Maryland |
| Surname | Summers |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Frederick City |
| Est. Birth Year | ~1907 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Annetta Summers | Daughter | — | 9 | ~1911 |
| Harriet Summers | Daughter | — | 17 | ~1903 |
| John Summers | Head | — | 39 | ~1881 |
| Julius Thomas | Other | — | 30 | ~1890 |
| Clifford Summers | Son | — | 11 | ~1909 |
| John Summers | Son | — | 13 | ~1907 |
| Mary Summers | Spouse | — | 49 | ~1871 |
Census Appearances
1910
Frederick, Maryland
Son, age 2
Frederick, Maryland · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmers |
| Given Name | John S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Frederick, Maryland
Son, age 13
Frederick, Maryland · implied b. ~1907 — 7 household members
| Surname | Summers |
| Given Name | John Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Frederick, Maryland
Son, age 22
Frederick, Maryland · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Simmers |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
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 John Summers across 3 US Census years (1910, 1920 and 1930) in Frederick, Maryland, using XGBoost record linkage. Identified parents: father Harry Simmers (~0.92 confidence) and mother Mary Summers (~0.92 confidence) and father Harry Simmers (~0.92 confidence) and mother Amelia Simmers (~0.92 confidence) and father John Summers (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Harry Simmers
b. ~1871
Source father
● Household
· direct · ~0.92
Mother
Mary Summers
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
Harry Simmers
b. ~1872
Source father
● Household
· direct · ~0.92
Mother
Amelia Simmers
b. ~1876
Source mother
● Household
· direct · ~0.92
Father
John Summers
b. ~1881
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Summers
Son · 1920 · age 13 · b. ~1907 · Maryland
★ You are viewing this record
Sibling
Harriet Summers
Sibling · 1920 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifford Summers
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Annetta Summers
Sibling · 1920 · age 9
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 — Frederick, Maryland
Open full size
1920 US Federal Census — Frederick, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu672unit:0773)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Liza Sauters | 60 | Head | — | Maryland |
| 2 | Alice Sauters | 26 | Daughter | — | Maryland |
| 3 | Joseph Sauters | 19 | Son | Operator | Maryland |
| 4 | Goffin Stanton | 88 | Father | — | Maryland |
| 5 | Arthur Jordan | 35 | Head | Laborer | Maryland |
| 6 | Hattie Jordan | 45 | Wife | — | Maryland |
| 7 | Evelyn Jordan | 8 | Daughter | — | Maryland |
| 8 | John Jr. Stanton | 35 | Head | Laborer | Maryland |
| 9 | Susan Chambers | 60 | Head | — | Maryland |
| 10 | Susan Stanton | 47 | Head | — | Maryland |
| 11 | Henry Stanton | 21 | Son | Driver | Maryland |
| 12 | Richard Mahoney | 22 | Nephew | Chauffeur | Maryland |
| 13 | Tom Entrail | 39 | Head | Laborer | Maryland |
| 14 | Emma Entrail | 35 | Wife | — | Maryland |
| 15 | Susan Davenport | 45 | Head | — | Maryland |
| 16 | Blanche Davenport | 25 | Daughter | — | Maryland |
| 17 | Milton Temple | 54 | Head | Laborer | Maryland |
| 18 | Birdie Temple | 40 | Wife | — | Maryland |
| 19 | Fannie Wooley | 60 | Head | — | Maryland |
| 20 | Emma Elizabeth Wooley | 14 | Granddaughter | — | Maryland |
| 21 | Daisy Potts | 36 | Head | — | Maryland |
| 22 | Annie M. Riley | 72 | Mother | — | Maryland |
| 23 | Alice M. Potts | 19 | Daughter | — | Maryland |
| 24 | Clance Potts | 14 | Daughter | — | Maryland |
| 25 | Walter Potts | 13 | Son | — | Maryland |
| 26 | Frank Potts | 11 | Son | — | Maryland |
| 27 | John W. Summers | 39 | Head | Fireman | Maryland |
| 28 | Mary Summers | 49 | Wife | — | Maryland |
| 29 | Harriet Summers | 17 | Daughter | — | Maryland |
| 30 | John Jr. Summers THIS PERSON | 13 | Son | — | Maryland |
| 31 | Clifford Summers | 11 | Son | — | Maryland |
| 32 | Julius Thomas | 30 | Patron | — | Maryland |
| 33 | Annetta Summers | 9 | Daughter | — | Maryland |
| 34 | Annie Summers | 48 | Head | — | Maryland |
| 35 | Charles P. Summers | 21 | Son | — | Maryland |
| 36 | Ruth Summers | 19 | Daughter | Housekeeper | Maryland |
| 37 | Luke Cartnail | 25 | Head | Laundress | Maryland |
| 38 | Eleanor Cartnail | 7 | Daughter | — | Maryland |
| 39 | George Robinson | 11 | Son | — | Maryland |
| 40 | William Patterson | 70 | Head | Laborer | Maryland |
| 41 | Ellen Patterson | 7 | Daughter | — | Maryland |
| 42 | Frederick Ford | 60 | Head | Janitor | Maryland |
| 43 | Maggie Ford | 40 | Wife | — | Maryland |
| 44 | Arthur Ford | 16 | Son | — | Maryland |
| 45 | Sadie Ford | 15 | Daughter | — | Maryland |
| 46 | Ethel Ford | 10 | Daughter | — | Maryland |
| 47 | Frederick Beaver | 25 | Brother-in-law | Barber | Maryland |
| 48 | Manuel Dancer | 57 | Boarder | Cook | Maryland |
| 49 | Martha Beaver | 30 | Head | Laundress | Maryland |
| 50 | Lizzie Beaver | 40 | Boarder | — | Maryland |
Pedigree Summary
John + 3 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 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)