- ? Klapper
- Aaron Klapper
- Adele M. Klapper
- Adolf Klapper
- Alex Klapper
- Alma Klapper
- Anna Klapper
- Arlene M. Klapper
- Arthur Klapper
- Barnett Klapper
- Beckye Wolf Klapper
- Bella Klapper
- Benjamin Klapper
- Bert Klapper
- Bert (Mrs.) Klapper
- Bertha Klapper
- Bessie Klapper
- Blanche Klapper
- Carrie Klapper
- Celia Klapper
- Charles Klapper
- Claude (Dr) Klapper
- Czabne Klapper
- David Klapper
- Elias Klapper
- Elias S. Klapper
- Elsie Klapper
- Essie R. Klapper
- Esther Klapper
- Eva Klapper
- F. Klapper
- Fannie Klapper
- H Klapper
- H. Klapper
- Hannah Klapper
- Harold Klapper
- Harry Klapper
- Harry Jerome Klapper
- Harry M. Klapper
- Harry W. Klapper
- Heiman Klapper
- Henry Klapper
- Herbert E. Klapper
- Irma Klapper
- Isaac Klapper
- Jacob Klapper
- Jacob S. Klapper
- Jacob W Klapper
- Jennie Fischel Klapper
- Jerome Klapper
- Joseph Klapper
- Joseph Chaim Klapper
- Joseph Thomas Klapper
- Katharina Klapper
- Lena Klapper
- Leopold Klapper
- Lillian Klapper
- Lillie Smith Klapper
- Louis Klapper
- Max Klapper
- Max (Mrs.) Klapper
- Minnie Klapper
- Mittel Klapper
- Oliver Klapper
- Paul Klapper
- Pearl C. Klapper
- Rachel Klapper
- Rachel Halpern Klapper
- Ray Klapper
- Rose Klapper
- Ruth Klapper
- Sadie Klapper
- Samson Klapper
- Samuel Klapper
- Sarah Klapper
- Seligman Klapper
- Simon Klapper
- Sophia Klapper
- Sophie Klapper
- Sophie Cohen Klapper
- Steven Klapper
- Theresa Klapper
- William Klapper