JW
John Walsh — 1920 US Census Record
Model Tree available1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this John Walsh across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed), with identified parents Charles & Mary — first a son (b.~1919), then head of a 7-person household.
Age 1
b. ~1919
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1919 |
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 |
|---|---|---|---|---|
| Helen Walsh | Daughter | — | 1 | ~1919 |
| Charles Walsh | Head | — | 28 | ~1892 |
| Edward Walsh | Other | — | 25 | ~1895 |
| John Walsh | Son | — | 1 | ~1919 |
| Charles Walsh | Son | — | 5 | ~1915 |
| James Walsh | Son | — | 3 | ~1917 |
| Mary Walsh | Spouse | — | 26 | ~1894 |
Census Appearances
1920
Baltimore, Maryland
Son, age 1
Baltimore, Maryland · implied b. ~1919 — 7 household members
| Surname | Walsh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
Son, age 11
Baltimore, Maryland · implied b. ~1919 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsh |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read/Write | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1940
Baltimore-City-County, Maryland
Son, age 21
Baltimore-City-County, Maryland · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Welsch |
| Given Name | John E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore city |
| 1935 Residence (County) | Baltimore City |
| Occupation | Stock Boy |
| Industry | Ten Cent Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 770 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| 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 Walsh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Walsh (~0.92 confidence) and mother Mary Walsh (~0.92 confidence) and father Vincent Welsch (~0.92 confidence) and mother Charlotte Welsch (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Walsh
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Mary Walsh
b. ~1894
Source mother
● Household
· direct · ~0.92
Father
Vincent Welsch
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Charlotte Welsch
b. ~1889
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Walsh
Son · 1920 · age 1 · b. ~1919 · Maryland
★ You are viewing this record
Sibling
Helen Walsh
Sibling · 1920 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Walsh
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Walsh
Sibling · 1920 · age 5
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 — Baltimore, Maryland
Open full size
1920 US Federal Census — Baltimore, Maryland
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu665unit:0906)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Helen Ness | 13 | Niece | — | Pennsylvania |
| 2 | Sylvester Sadler | 51 | Head | Principal | New York |
| 3 | Adeline R. Sadler | 48 | Sister | — | Maryland |
| 4 | John Parker | 70 | Servant | Servant | Virginia |
| 5 | Eliza Thomas | 18 | Servant | Servant | Maryland |
| 6 | William Almick | 75 | Head | Vice President | Massachusetts |
| 7 | Caroline Almick | 74 | Wife | — | Massachusetts |
| 8 | Almira A. Clark | 41 | Daughter | — | Maryland |
| 9 | Almira H. Clark | 17 | Granddaughter | Manager | Maryland |
| 10 | Richard T. Clark | 15 | Grandson | — | Maryland |
| 11 | Gertrude Davis | 32 | Servant | Servant | Massachusetts |
| 12 | Rebecca Jeffries | 18 | Servant | Servant | Virginia |
| 13 | Max Heidman | 41 | Head | Artist | Germany |
| 14 | Amelia Heidman | 37 | Wife | — | Germany |
| 15 | Elsie Heidman | 35 | Daughter | Clerk | New York |
| 16 | Walton Merryman | 45 | Head | Carpenter | Maryland |
| 17 | Mollie Merryman | 55 | Wife | — | Maryland |
| 18 | Charles Merryman | 17 | Son | Clerk | Maryland |
| 19 | Martha Merryman | 20 | Daughter | Clerk | Maryland |
| 20 | Nellie Merryman | 18 | Daughter | Clerk | Maryland |
| 21 | John Marsh | 33 | Head | Billing Clerk | N. Carolina |
| 22 | Mary Marsh | 25 | Wife | — | Maryland |
| 23 | Walter Ludo | 54 | Head | — | Maryland |
| 24 | Mollie Ludo | 49 | Wife | — | Maryland |
| 25 | Henry Jones | 25 | Head | Conductor | Maryland |
| 26 | Edith Jones | 28 | Wife | Salesman | Pennsylvania |
| 27 | Herbert Schultz | 26 | Head | — | Maryland |
| 28 | Blanche Schultz | 24 | Wife | Painter | Maryland |
| 29 | Anna E. Schultz | 5 | Daughter | — | Maryland |
| 30 | Hugh Carey | 32 | Head | — | Maryland |
| 31 | Mary C. Carey | 30 | Wife | Auditor | Delaware |
| 32 | Irma Carey | 7 | Daughter | — | Delaware |
| 33 | Hugh C. Carey | 6 | Son | — | Delaware |
| 34 | Mary Carey | 1 | Daughter | — | Maryland |
| 35 | Thomas Gray | 27 | Head | — | Maryland |
| 36 | Isabell Gray | 23 | Wife | Conductor | Maryland |
| 37 | George Packham | 55 | Head | — | Maryland |
| 38 | Ellen Packham | 22 | Daughter | — | Maryland |
| 39 | William Packham | 18 | Son | Bookkeeper | Maryland |
| 40 | James Walsh | 58 | Head | Laborer | Ireland |
| 41 | Helen Walsh | 50 | Wife | Printer | Ireland |
| 42 | Raymond C. Ruhl | 26 | Head | — | Maryland |
| 43 | Margaret Ruhl | 24 | Wife | Electrician | Maryland |
| 44 | Charles Walsh | 28 | Head | Salesman | Maryland |
| 45 | Mary Walsh | 26 | Wife | — | Maryland |
| 46 | Charles Walsh | 5 | Son | — | Maryland |
| 47 | James Walsh | 3 | Son | — | Maryland |
| 48 | John Walsh THIS PERSON | 1 | Son | — | Maryland |
| 49 | Helen Walsh | 1 | Daughter | — | Maryland |
| 50 | Edward Walsh | 25 | Brother | Candymaker | Maryland |
Related Census Records
Pedigree Summary
John + 3 siblings
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)