MDK,
SELECT Фамилия, Имя, convert(varchar, дата_рождения, 104) As 'дата_рождения', '' As 'Рост', '' As 'Вес', Id FROM tbl1 WHERE Id Like '%1%'
UNION
SELECT Фамилия, Имя, '' As дата_рождения, cast(Рост As varchar) As 'Рост', '' As 'Вес', Id FROM tbl2 WHERE Id Like '%1%'
UNION
SELECT Фамилия, Имя, '' As 'дата_рождения', '' As 'Рост', cast(Вес As varchar) As 'Вес', Id FROM tbl3 WHERE Id Like '%1%'