Genealogy Roggema » Statistics

5,385
persons

4,722
sources

566
places

4,520
families

0
images

11,953
notes

Citations make the content of a genealogical publication verifiable.

The occurrence of citations says something about the quality of the research process of the family tree researcher. The occurrence of citations says nothing about the quality of the citations, sources or content. Any source references in notes and images of records are not counted.

Citations: sign of the quality of the research process


In this publication, 3,116 of the 11,478 personal pages are provided with 1 or more source references.

27%


Distribution of genealogical events

The map below shows (approximately) where the genealogical events in this data collection took place.

Event
           

Period
1600
2024



Number of genealogical events

Following graphic shows for each genealogic event how often it happened in a period of 5 years in this data collection.

Event
           

Period
1600
2024



Average age per decade

The graph below shows the average age per 10 years, calculated per date of death.

Clusters

Several clusters have been found in this publication. A cluster is a group of people related (by birth or marriage) to each other. The clusters are shown below, where the size of a square indicates the number of people.



Distribution of occupations (based on the HISCO classification)

The pie chart below shows the distribution of the 379 found and recognized occupations in the main categories of the HISCO classification.

The treemap diagram below shows a hierarchical representation of 379 found and recognized occupations in your publication based on the HISCO classification. Click on a category to go a level deeper here. With a right mouse click you go back level. The darker a surface, the greater the share of the relevant category in the total number.


Top 10 of family names

NameNumberPercentage
Harryvan2502.2%
Roggema2382.1%
Raaf, de1611.4%
Beertema1371.2%
Mulder1241.1%
Hommes1201.0%
Degenhart1060.9%
Smit990.9%
Boven970.8%
Oudekerk950.8%

Most common surnames (surname cloud)

Top 10 occupations

BeroepNumberPercentage
arbeider440.4%
dagloner250.2%
E-mail (XXXXX@XXXX.XXX)210.2%
dienstmeid190.2%
arbeidster180.2%
boerenknecht150.1%
timmerman130.1%
schoenmaker90.1%
landarbeider70.1%
tichelwerker60.1%

Top 10 male first names

NameNumberPercentage
Jan6305.5%
Hendrik2382.1%
Harm2181.9%
Pieter1931.7%
Geert1741.5%
Willem1551.4%
Johannes1321.2%
Albert1151.0%
Hindrik1040.9%
Klaas920.8%

Top 10 female first names

NameNumberPercentage
Jantje1851.6%
Maria1661.4%
Grietje1641.4%
Johanna1441.3%
Aaltje1361.2%
Anna1020.9%
Antje980.9%
Elizabeth960.8%
Trijntje960.8%
Anje900.8%



Number of pages viewed per day (use the slider to adjust the period)


Number of pages viewed per month (from the past 24 months)



The Genealogy Roggema publication was prepared by R.H. Roggema (contact is not possible).