JM
Joseph Mayer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lehigh, Pennsylvania
Our Model Tree links this Joseph Mayer across the 1930 and 1940 US Censuses in Lehigh, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 9-person household.
Age 13
b. ~1917
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Lehigh, Pennsylvania |
| Surname | Mayer |
| Given Name | Joseph J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Coplay Borough Part |
| Est. Birth Year | ~1917 |
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 1930 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Joseph Mayer | Head | — | 43 | ~1887 |
| Theresa Mayer | Daughter | — | 3 | ~1927 |
| Pauline Mayer | Daughter | — | 6 | ~1924 |
| Hilda Mayer | Daughter | — | 1 | ~1929 |
| Julia Mayer | Spouse | — | 34 | ~1896 |
| Julius Mayer | Son | — | 12 | ~1918 |
| Frank Mayer | Son | — | 8 | ~1922 |
| Julia Mayer | Daughter | — | 10 | ~1920 |
| Joseph Mayer | Son | — | 13 | ~1917 |
Census Appearances
1930
Lehigh, Pennsylvania
Son, age 13
Lehigh, Pennsylvania · implied b. ~1917 — 9 household members
| Surname | Mayer |
| Given Name | Joseph J. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Lehigh-County, Pennsylvania
Son, age 25
Lehigh-County, Pennsylvania · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Moyer |
| Given Name | Joseph Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Allentown city |
| 1935 Residence (County) | Lehigh |
| Occupation | laborer |
| Industry | steel plant |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 982 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 Joseph Mayer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Joseph Mayer
Son · 1930 · age 13 · b. ~1917 · Pennsylvania
★ You are viewing this record
Sibling
Frank Mayer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Theresa Mayer
Sibling · 1930 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julius Mayer
Sibling · 1930 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Julia Mayer
Sibling · 1930 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilda Mayer
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pauline Mayer
Sibling · 1930 · age 6
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
1930 US Federal Census — Lehigh, Pennsylvania
Open full size
1930 US Federal Census — Lehigh, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2064:0978)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Francis C. Bridleman | 45 | Head | Conductor | Pennsylvania |
| 52 | Lillie M. Bridleman | 35 | Wife | — | Pennsylvania |
| 53 | Harry J. Bridleman | 22 | Son | Section Hand | Pennsylvania |
| 54 | Ruth G. Bridleman | 16 | Daughter | — | Pennsylvania |
| 55 | Evelyn J. Bridleman | 8 | Daughter | — | Pennsylvania |
| 56 | William Mcclenahan | 58 | Head | Laborer | Pennsylvania |
| 57 | Isabel G. Mcclenahan | 17 | Daughter | — | Pennsylvania |
| 58 | Henry J. Mcclenahan | 12 | Son | — | Pennsylvania |
| 59 | Julius Dolletz | 36 | Head | Carpenter | Austria |
| 60 | Katie Dolletz | 37 | Wife | — | Austria |
| 61 | Julia Dolletz | 13 | Daughter | — | Pennsylvania |
| 62 | Rudolph Dolletz | 12 | Son | — | Pennsylvania |
| 63 | Frances Dolletz | 9 | Daughter | — | Pennsylvania |
| 64 | Julius Dolletz | 8 | Son | — | Pennsylvania |
| 65 | Hermina Dolletz | 6 | Daughter | — | Pennsylvania |
| 66 | Richard Dolletz | 4 | Son | — | Pennsylvania |
| 67 | Albert Dolletz | 1 | Son | — | Pennsylvania |
| 68 | Margaret Dolletz | 0 | Daughter | — | Pennsylvania |
| 69 | Joseph F. Mayer | 43 | Head | Weaver | Austria |
| 70 | Julia Mayer | 34 | Wife | — | Austria |
| 71 | Joseph J. Mayer THIS PERSON | 13 | Son | — | Pennsylvania |
| 72 | Julius R. Mayer | 12 | Son | — | Pennsylvania |
| 73 | Julia J. Mayer | 10 | Daughter | — | Pennsylvania |
| 74 | Frank Mayer | 8 | Son | — | Pennsylvania |
| 75 | Pauline Mayer | 6 | Daughter | — | Pennsylvania |
| 76 | Theresa Mayer | 3 | Daughter | — | Pennsylvania |
| 77 | Hilda Mayer | 1 | Daughter | — | Pennsylvania |
| 78 | Louis Maffioli | 70 | Head | Janitor | Austria |
| 79 | Mary Maffioli | 63 | Wife | — | Austria |
| 80 | Stephen J. Klepac | 57 | Head | Packer | Austria |
| 81 | Mary Klepac | 46 | Wife | — | Austria |
| 82 | Stephen J. Klepac | 25 | Son | Spare Hand | Pennsylvania |
| 83 | Stella J. Klepac | 16 | Daughter | Weaver | Pennsylvania |
| 84 | John L. Klepac | 12 | Son | — | Pennsylvania |
| 85 | Frank J. Klepac | 9 | Son | — | Pennsylvania |
| 86 | Lottie Herman | 60 | Head | — | Pennsylvania |
| 87 | Jeremiah Herman | 17 | Grandson | Filler Sorter | Pennsylvania |
| 88 | William Buckman | 59 | Head | Repairman | Pennsylvania |
| 89 | Lydia Buckman | 56 | Wife | — | Pennsylvania |
| 90 | John Kamorski | 39 | Head | Burner | Poland |
| 91 | Tekla Kamorski | 40 | Wife | — | Poland |
| 92 | Joseph Troller | 54 | Head | Section Hand | Austria |
| 93 | Mary Troller | 54 | Wife | — | Austria |
| 94 | Frank Troller | 19 | Son | Laborer | Pennsylvania |
| 95 | Alfred Troller | 17 | Son | Sand Turner | Pennsylvania |
| 96 | Helen H. Troller | 15 | Daughter | — | Pennsylvania |
| 97 | William R. Troller | 13 | Son | — | Pennsylvania |
| 98 | Erasmus F. Kern | 75 | Head | — | Pennsylvania |
| 99 | Louisa J. Kern | 70 | Wife | — | Pennsylvania |
| 100 | Irvin F. Kern | 51 | Son | Laborer | Pennsylvania |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)