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Family name Blackmun (Blackmun
, בלקמן
) , worldwide, is a rare last name. The surname Blackmun is habitual in Israel, where it is a rare surname, New Zealand, and the United Kingdom, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Israel.
| VARIANT | COUNTRY |
|---|---|
| Blackmun | Canada, New Zealand, United States, United Kingdom |
| בלקמן | Israel |