Jan Bouma, born circa 1862, conducteur bij de brievenmolen.

Jan was married to
Geertje Hania, born circa 1869 (?), died before December 17, 1917, aged at most 48 years.

• 1 : Pier Bouma, born in Lollum circa 1892, clerk.
  Pier was married to Elisabeth Juliana Tichelaar, born in Harlingen on August 14, 1893, daughter of Hendrik Tichelaar (merchant, workman and postman) and Klaasje Bonk.