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Francis Martin — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Baltimore, Maryland
Our Model Tree links this Francis Martin across the 1910 and 1920 US Censuses in Baltimore, Maryland (XGBoost, ~Confirmed) — first a son (b.~1904), then head of a 9-person household.
Age 16
b. ~1904
Male
Son
Born: Maryland
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Baltimore, Maryland |
| Surname | Martin |
| Given Name | Francis J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Additional Details | |
| Occupation | Apprentice |
| Industry | Carpenter |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
| Occupation | Apprentice |
| Township / Ward | 5Th Precinct 1St District |
| Est. Birth Year | ~1904 |
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.
9 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to Francis | Age | Birth yr |
|---|---|---|---|---|
| Philip Martin | Son | — | 15 | ~1905 |
| Francis Martin | Son | — | 16 | ~1904 |
| Mary Martin | Daughter | — | 4 | ~1916 |
| Frank Martin | Head | — | 40 | ~1880 |
| Lawrence Martin | Son | — | 13 | ~1907 |
| Irene Martin | Spouse | — | 33 | ~1887 |
| Joseph Martin | Son | — | 6 | ~1914 |
| Melvin Martin | Son | — | 8 | ~1912 |
| Rose Martin | Daughter | — | 11 | ~1909 |
Census Appearances
1910
X, Maryland
Son, age 6
X, Maryland · implied b. ~1904 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Francis |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Birth State | Maryland |
| Birth Country | United States |
| Birthplace (normalized) | maryland |
1920
Baltimore, Maryland
Son, age 16
Baltimore, Maryland · implied b. ~1904 — 9 household members
| Surname | Martin |
| Given Name | Francis J |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Maryland |
| Father's Birthplace | Maryland |
| Mother's Birthplace | Maryland |
| Occupation | Apprentice |
| Industry | Carpenter |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | 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 Francis Martin across 2 US Census years (1910 and 1920) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Francis Martin
Son · 1920 · age 16 · b. ~1904 · Maryland
★ You are viewing this record
Sibling
Joseph Martin
Sibling · 1920 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Philip Martin
Sibling · 1920 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Martin
Sibling · 1920 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Martin
Sibling · 1920 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Martin
Sibling · 1920 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lawrence Martin
Sibling · 1920 · age 13
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:1920:14thcensusofpopu654unit:0633)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Frank J Martin | 40 | Head | Chauffer | Maryland |
| 52 | Irene M Martin | 33 | Wife | — | Maryland |
| 53 | Francis J Martin THIS PERSON | 16 | Son | Apprentice | Maryland |
| 54 | Philip H Martin | 15 | Son | — | Maryland |
| 55 | Lawrence W Martin | 13 | Son | — | Maryland |
| 56 | Rose E Martin | 11 | Daughter | — | Maryland |
| 57 | Melvin E Martin | 8 | Son | — | Maryland |
| 58 | Joseph A Martin | 6 | Son | — | Maryland |
| 59 | Mary C Martin | 4 | Daughter | — | Maryland |
| 60 | Thomas R Martin | 76 | Head | Operator | Ireland |
| 61 | Thomas R Martin | 46 | Son | Steam Foreman | Maryland |
| 62 | Joseph A Martin | 43 | Son | Chauffer | Maryland |
| 63 | Edward L Martin | 41 | Son | Mgr. | Maryland |
| 64 | Daisy E Martin | 37 | Daughter | — | Maryland |
| 65 | Nellie E Mcmanus | 60 | Niece | — | Maryland |
| 66 | Samuel A Cole | 38 | Head | Laborer | Maryland |
| 67 | Mary E Cole | 39 | Wife | — | Maryland |
| 68 | Charles T Slaughter | 62 | Head | Agent | Maryland |
| 69 | Agnes H Slaughter | 51 | Wife | — | Maryland |
| 70 | Charles T Slaughter | 25 | Son | Clerk | Maryland |
| 71 | Helen S C Slaughter | 22 | Daughter | — | Maryland |
| 72 | Virginia H Slaughter | 8 | Granddaughter | — | Maryland |
| 73 | Charles T 3Rd Slaughter | 4 | Grandson | — | Georgia |
| 74 | Robert H Corrothers | 45 | Son in law | Accountant | Virginia |
| 75 | Corrothers F Corrothers | 35 | Son in law | Cashier | Maryland |
| 76 | Irene F Corrothers | 31 | Daughter | — | Maryland |
| 77 | Rachel C Corrothers | 10 | Granddaughter | — | Maryland |
| 78 | Henry E Lappins | 67 | Servant | Servant | Maryland |
| 79 | Cecelia Holland | 19 | Servant | Servant | Maryland |
| 80 | Robert Campbell | 20 | Servant | Servant | Maryland |
| 81 | Edward Warfield | 14 | Servant | Servant | Maryland |
| 82 | William H Rhodes | 44 | Head | Laborer | Maryland |
| 83 | Elizabeth M Rhodes | 52 | Wife | — | Maryland |
| 84 | Georgia H Rhodes | 20 | Daughter | Operator | Maryland |
| 85 | John H Rhodes | 18 | Son | Laborer | Maryland |
| 86 | Charles Diedrich | 57 | Head | Operator | Maryland |
| 87 | Elizabeth Diedrich | 55 | Wife | — | Germany |
| 88 | Indy C Diedrich | 23 | Daughter | — | Maryland |
| 89 | George O Crook | 34 | Son in law | Carpenter | Maryland |
| 90 | Charles O Crook | 3 | Grandson | — | Maryland |
| 91 | Josephine Diedrich | 19 | Daughter | — | Maryland |
| 92 | John M Berry | 57 | Boarder | Guest | Maryland |
| 93 | Annie C Mulcahy | 50 | Head | Storekeeper | Ireland |
| 94 | Irene Mary Mulcahy | 51 | Boarder | — | Maryland |
| 95 | William A Grater | 31 | Head | Stock Clerk | Maryland |
| 96 | Rosa A Grater | 25 | Wife | — | Maryland |
| 97 | Charles G Grater | 4 | Son | — | Maryland |
| 98 | Rosa J Grater | 1 | Daughter | — | Maryland |
| 99 | Clara J Gray | 18 | Sister in law | Conductor | N. Carolina |
| 100 | Annie G Gray | 22 | Sister in law | — | 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)