'One by one' in the Bible

"Take a census of all the congregation of the children of Israel, by their families, by their fathers' houses, according to the number of the names, every male, one by one;

They assembled all the congregation together on the first day of the second month; and they declared their ancestry by their families, by their fathers' houses, according to the number of the names, from twenty years old and upward, one by one.

The children of Reuben, Israel's firstborn, their generations, by their families, by their fathers' houses, according to the number of the names, one by one, every male from twenty years old and upward, all who were able to go out to war;

Of the children of Simeon, their generations, by their families, by their fathers' houses, those who were numbered of it, according to the number of the names, one by one, every male from twenty years old and upward, all who were able to go out to war;