KM
Katherine Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Katherine Martin across the 1920, 1930 and 1940 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a head (b.~1860), then head of a 2-person household.
Age 60
b. ~1860
Female
Head
Born: Maryland
Widowed
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Martin |
| Given Name | Katherine M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Township / Ward | Baltimore |
| Est. Birth Year | ~1860 |
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.
2 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| May Martin | Daughter | — | 27 | ~1893 |
| Katherine Martin | Head | — | 60 | ~1860 |
Census Appearances
1920
Baltimore, Maryland
Head, age 60
Baltimore, Maryland · implied b. ~1860 — 2 household members
| Surname | Martin |
| Given Name | Katherine M |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 60 |
| Marital Status | Widowed |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1930
Baltimore, Maryland
Other, age 72
Baltimore, Maryland · implied b. ~1858 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Lodger |
| Sex | F |
| Color / Race | White |
| Age | 72 |
| 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
Other, age 82
Baltimore-City-County, Maryland · implied b. ~1858 — 19 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine A. |
| Relationship to Head | Guest |
| Sex | F |
| Color / Race | White |
| Age | 82 |
| Marital Status | Single |
| Birthplace | Maryland |
| 1935 Residence (City) | Baltimore City |
| 1935 Residence (County) | Baltimore City |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Maryland |
| 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 Katherine Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Katherine Martin
Head · 1920 · age 60 · b. ~1860 · Maryland
★ You are viewing this record
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:1920:14thcensusofpopu657unit:1018)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Pollard | 47 | Wife | — | Maryland |
| 2 | Douglas G Pollard | 20 | Son | — | Maryland |
| 3 | Walter Pollard | 18 | Son | — | Maryland |
| 4 | Catherine Jordan | 80 | Aunt | — | Maryland |
| 5 | Charles B Mcallister | 59 | Head | Salesman | Pennsylvania |
| 6 | Mary E Mcallister | 53 | Wife | — | Maryland |
| 7 | Frankie J Dashiell | 21 | Boarder | Clerk | Maryland |
| 8 | Carroll Jenkins | 20 | Boarder | Clerk | Maryland |
| 9 | Mary E Mulligan | 57 | Head | — | Maryland |
| 10 | Grace Mulligan | 27 | Daughter | — | Maryland |
| 11 | Viola Mulligan | 24 | Daughter | — | Dist of Columbia |
| 12 | James T Payne | 23 | Boarder | Machinist | Maryland |
| 13 | William H Fisher | 33 | Head | Dealer | Maryland |
| 14 | Irene R Fisher | 33 | Wife | — | Maryland |
| 15 | William Jr Fisher | 14 | Son | — | Maryland |
| 16 | Bartholomew Kehoe | 49 | Boarder | Laborer | Maryland |
| 17 | Jacob C Myer | 32 | Head | Salesman | Virginia |
| 18 | Ada F Myer | 28 | Wife | — | Virginia |
| 19 | Sarah E Wakehand | 63 | Head | — | Maryland |
| 20 | John O Wakehand | 43 | Son | Salesman | Maryland |
| 21 | George W Foutan | 42 | Head | Engineer | Virginia |
| 22 | Elizabeth H Foutan | 35 | Wife | — | Maryland |
| 23 | Harry R Rafferty | 33 | Head | Brakeman | Missouri |
| 24 | Bertha C Rafferty | 33 | Wife | — | Maryland |
| 25 | Herbert E Loflin | 44 | Boarder | Conductor | Maryland |
| 26 | Scott H Case | 35 | Head | Clerk | Pennsylvania |
| 27 | Mary J Case | 34 | Wife | — | Pennsylvania |
| 28 | Scott H Jr Case | 12 | Son | Student | Maryland |
| 29 | Ralph N Case | 6 | Son | — | Maryland |
| 30 | Anthony Ristino | 40 | Head | Agent | Italy |
| 31 | Rose Ristino | 30 | Wife | — | Ohio |
| 32 | Theresa Ristino | 12 | Daughter | Student | Maryland |
| 33 | Gaetania Matacia | 64 | Head | — | Italy |
| 34 | Mary Matacia | 28 | Daughter | Stenographer | Ohio |
| 35 | Leah Matacia | 24 | Daughter | Stenographer | Ohio |
| 36 | John Matacia | 24 | Boarder | Bookkeeper | Virginia |
| 37 | Carmelia Matacia | 20 | Boarder | — | Virginia |
| 38 | Katherine M Martin THIS PERSON | 60 | Head | — | Maryland |
| 39 | May B Martin | 27 | Daughter | Stenographer | Maryland |
| 40 | George V Martin | 65 | Head | Clerk | Maryland |
| 41 | Ellen T Martin | 61 | Wife | — | Maryland |
| 42 | Marie S Martin | 34 | Daughter | — | Maryland |
| 43 | Hilda S Martin | 28 | Daughter | Milliner | Maryland |
| 44 | Thomas M B Martin | 25 | Son | Accountant | Maryland |
| 45 | Howard Rachlin | 40 | Head | Tailor | Russia |
| 46 | Mary Rachlin | 34 | Wife | — | Russia |
| 47 | Isadore Rachlin | 7 | Son | Student | Maryland |
| 48 | Morton Rachlin | 4 | Son | — | Maryland |
| 49 | Howard Mcallister | 47 | Head | Yard Clerk | Maryland |
| 50 | Alberta Mcallister | 47 | Wife | — | Maryland |
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)