diff --git a/src/sql/kernel/qsqlquery.cpp b/src/sql/kernel/qsqlquery.cpp
index e5f4c5fc56..e040257c62 100644
--- a/src/sql/kernel/qsqlquery.cpp
+++ b/src/sql/kernel/qsqlquery.cpp
@@ -325,6 +325,24 @@ bool QSqlQuery::isNull(int field) const
              || d->sqlResult->isNull(field);
 }
 
+/*!
+    \overload
+
+    Returns true if there is no field with this \a name; otherwise
+    returns isNull(int index) for the corresponding field index.
+
+    This overload is less efficient than \l{QSqlQuery::}{isNull()}
+*/
+
+bool QSqlQuery::isNull(const QString &name) const
+{
+    int index = d->sqlResult->record().indexOf(name);
+    if (index > -1)
+        return isNull(index);
+    qWarning("QSqlQuery::isNull: unknown field name '%s'", qPrintable(name));
+    return true;
+}
+
 /*!
 
   Executes the SQL in \a query. Returns \c true and sets the query state
diff --git a/src/sql/kernel/qsqlquery.h b/src/sql/kernel/qsqlquery.h
index 3719643174..ef48b91298 100644
--- a/src/sql/kernel/qsqlquery.h
+++ b/src/sql/kernel/qsqlquery.h
@@ -70,6 +70,7 @@ public:
     bool isValid() const;
     bool isActive() const;
     bool isNull(int field) const;
+    bool isNull(const QString &name) const;
     int at() const;
     QString lastQuery() const;
     int numRowsAffected() const;
diff --git a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
index 9098d5b101..b74e02bcc4 100644
--- a/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
+++ b/tests/auto/sql/kernel/qsqlquery/tst_qsqlquery.cpp
@@ -1384,7 +1384,9 @@ void tst_QSqlQuery::isNull()
     QVERIFY_SQL(q, exec("select id, t_varchar from " + qTableName("qtest_null", __FILE__, db) + " order by id"));
     QVERIFY( q.next() );
     QVERIFY( !q.isNull( 0 ) );
+    QVERIFY(!q.isNull("id"));
     QVERIFY( q.isNull( 1 ) );
+    QVERIFY(q.isNull("t_varchar"));
     QCOMPARE( q.value( 0 ).toInt(), 0 );
     QCOMPARE( q.value( 1 ).toString(), QString() );
     QVERIFY( !q.value( 0 ).isNull() );
@@ -1392,10 +1394,13 @@ void tst_QSqlQuery::isNull()
 
     QVERIFY( q.next() );
     QVERIFY( !q.isNull( 0 ) );
+    QVERIFY(!q.isNull("id"));
     QVERIFY( !q.isNull( 1 ) );
+    QVERIFY(!q.isNull("t_varchar"));
 
     // For a non existent field, it should be returning true.
     QVERIFY(q.isNull(2));
+    QVERIFY(q.isNull("unknown"));
 }
 
 /*! TDS specific BIT field test */